Sperry Marine Inc.

Sperry Marine Inc.

OPERATOR'S MANUAL FOR THE VOYAGE MANAGEMENT SYSTEM, VISION TECHNOLOGY (VMS-VT)

Sperry Marine Inc.

OPERATOR'S MANUAL FOR THE VOYAGE MANAGEMENT SYSTEM, VISION TECHNOLOGY, (VMS-VT)

Sperry Marine Inc. 1070 Seminole Trail Charlottesville, Virginia 22901-2891 USA

JA26-5883

Rev J - February 1997

Operator’s Manual for the VMS-VT - February 1997

Printing History: Original . . . . . . . . . . . . . June 1995 Revision A . . . . . . September 1995 Revision B . . . . . . . . . . April 1996 Revision C . . . . . . . . . August 1996 Revision D . . . . . . . . . Not Released Revision E . . . . . . . . Not Released Revision F . . . . . . . . . Not Released Revision G . . . . . . September 1996 Revision J . . . . . . . . . February 1997

© Copyright 1997 by Sperry Marine Inc. All Rights Reserved. 1070 Seminole Trail Charlottesville, VA 22901

Printed in U.S.A.

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Operator’s Manual for the VMS-VT - February 1997

NOTICE, WARNING AND DISCLAIMER SPERRY MARINE'S VOYAGE MANAGEMENT SYSTEM AND ASSOCIATED NAVIGATION PRODUCTS INCLUDING THE ELECTRONIC CHART DISPLAY AND AUTOMATIC NAVIGATION AND TRACK KEEPING SYSTEM ARE AIDS TO SAFE MARINE NAVIGATION. ALL SUCH NAVIGATION AIDS ARE SUBJECT TO CERTAIN INACCURACIES AND DISCREPANCIES THAT, IF UNCONSIDERED, MAY RESULT IN A MARINE ACCIDENT OR INCIDENT, AND CONSEQUENT LOSS OF LIFE, VESSEL, CARGO AND ENVIRONMENTAL DAMAGE. ACCORDINGLY, THE MARINER WILL NOT RELY ON A SOLE NAVIGATION AID (INCLUDING SPERRY MARINE'S VOYAGE MANAGEMENT SYSTEM) FOR THE SAFE NAVIGATION OF THE VESSEL. THE PRUDENT MARINER WILL OBTAIN NAVIGATION INFORMATION FROM ADDITIONAL SOURCES, CROSS-CHECKING ALL INFORMATION FOR ANY INACCURACIES OR DISCREPANCIES WHILE DETERMINING THE VESSEL'S POSITION, COURSE, SPEED AND INTENDED TRACK.

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Operator’s Manual for the VMS-VT - February 1997

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FRONT MATTER Title Page Proprietary Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii TABLE OF CONTENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iv LIST OF FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x LIST OF TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiv PREFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv Chapter 1: INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2 VMS-VT PURPOSE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3 SYSTEM OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3.1 Electronic Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3.2 Sensor Data Integration and Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.3.3 Radar Target Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1 1-1 1-1 1-1 1-5 1-6 1-6

Chapter 2: BASIC OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.2 SYSTEM STARTUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 2.3 USING THE INPUT DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.3.1 Pointing Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.3.2 Keyboards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 2.4 VMS-VT SOFTWARE BASICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 2.4.1 Main Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 2.4.2 Sub-menus, Pop-up Selection Menus, Moveable Windows, and Display Overlays . . . . . . 2-6 2.4.3 Data Entry Boxes and Data Display Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2.4.4 Software Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 2.5 INITIAL SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2.5.1 Display Colors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 2.5.2 Selecting a Chart and Chart Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2.5.3 Source Selection for Sensor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 2.5.4 Manual Input for Sensor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 2.5.4.1 Entering Position Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 2.5.4.2 Entering Heading Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2.5.4.3 Entering Ground Speed Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2.5.4.4 Entering Water Speed Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13 2.5.4.5 Entering a Manual Set and Drift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 iv

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2.5.4.6 Entering Set and Drift From Computed Sensor Window . . . . . . . . . . . . . . . . . . . . . . 2.5.5 Position Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5.6 Setting Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5.7 Setting Vector Length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5.8 RASCAR Targets and Navlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5.9 Setting the Zone, Time and Date (Optional Feature) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.5.10 Initial Set-up Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.6 QUIT VMS SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2-14 2-14 2-16 2-17 2-17 2-18 2-18 2-19

Chapter 3: ELECTRONIC CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3.2 ELECTRONIC CHART BASICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 3.3 CHART CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.3.1 Portfolio And Chart Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.3.1.1 Automatic Chart Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 3.3.1.2 Manual Chart Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.3.1.3 The Portfolio Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.3.1.3.1 Selecting/Activating Portfolios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.3.1.3.2 Selecting a Chart from the Active Portfolio . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 3.3.1.3.3 Selecting a Chart from the Chart Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 3.3.1.3.4 Displaying a Planning Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 3.3.1.3.5 Clearing Portfolios . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 3.3.2 Positioning Ownship on the Display: Center, Offset and CNTR Area . . . . . . . . . . . . . . . . . 3-5 3.3.2.1 The Center and CNTR Area Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 3.3.2.2 The Offset Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 3.3.2.3 Chart Display Mode: The AUTO/MAN/LOCK Button . . . . . . . . . . . . . . . . . . . . . . . 3-7 3.3.3 Changing the Display Scale: Zooming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 3.3.4 The Chart Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 3.4 DISPLAYING BRITISH ADMIRALTY ARCS CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 3.4.1 The ARCS Security Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 3.4.2 Entering Permit Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 3.4.3 Entering Permit Number Manually . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 3.4.4 Entering / Verifying PIN Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 3.4.5 Reading ARCS Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 3.4.6 Clearing Permits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 3.5 DISPLAY FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 3.5.1 The Features Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 3.5.1.1 Setting and Getting Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 3.5.1.2 All Features On / Standard Display / All Features Off . . . . . . . . . . . . . . . . . . . . . . . 3-14 3.5.1.4 Targets Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 3.5.1.5 Ownship Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 3.5.1.6 Other Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 v

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3.6 CREATING AND EDITING PORTFOLIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.1 Creating a Portfolio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.1.1 Entering Initial Portfolio Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.2 Modifying an Existing Portfolio: Open Portfolio ............................ 3.6.3 ADD CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.4 DELETE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.6.5 Saving a Modified Portfolio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7 CREATING AND EDITING ELECTRONIC CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.3 Setting up a New Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.4 Setting up an Existing Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.5 Digitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.5.1 Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.5.2 Adding Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.5.3 Changing Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.5.4 Deleting Objects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.7.6 Saving a Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-18 3-18 3-20 3-21 3-21 3-21 3-22 3-22 3-22 3-24 3-27 3-28 3-28 3-28 3-29 3-29 3-29

Chapter 4: VOYAGE PLANNING AND EXECUTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4.2 VOYAGE PLANNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 4.2.1 Creating a Stored Voyage Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 4.2.1.1 Entering Initial Plan Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 4.2.1.2 Entering Data for the First Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 4.2.2 Editing an Existing Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 4.2.2.1 Insert Waypoint Before . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 4.2.2.2 Insert Waypoint after . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 4.2.2.3 Modify Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 4.2.2.4 Delete Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 4.2.2.5 Saving a Modified Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9 4.2.3 Great-Circle and Composite Sailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 4.2.3.1 Great Circle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 4.2.3.2 Composite Sailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 4.3 EXECUTING VOYAGE PLANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 4.3.1 Advisory Mode vs. Active Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 4.3.1.1 Advisory Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 4.3.1.2 Active Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 4.3.2 Pilot Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 4.3.2.1 Track Controller Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 4.3.2.2 Adjustment for S/D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 4.3.2.3 Heading Order Limits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 4.3.3 Starting a Voyage Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 vi

Operator’s Manual for the VMS-VT - February 1997

TABLE OF CONTENTS

4.3.3.1 Creating and Starting Temporary Plans: TTMG . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.3.1.1 ADD TTMG (Track-to make-good) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.3.1.2 ADD Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.3.2 RTP Temporary Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.3.3 Starting a Stored Voyage Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.3.4 Voyage Plan Summary Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4-22 4-23 4-23 4-24 4-24 4-25

Chapter 5: SAFETY FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.2 SAFETY CHECKING USING ELECTRONICS CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.2.1 S57 Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.2.2 S57 Charts With World, General Or Coastal Scale Levels. . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 5.2.3 Danger Area Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 5.2.4 Safety Checker Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 5.2.5 Configuring The Safety Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 5.2.6 Creating A Danger Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 5.2.7 Modifying A Danger Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10 5.2.8 Delete A Danger Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 5.2.9 Modifying A Chart Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 5.2.10 Delete A Chart Notation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 5.2.11 Voyage Plan Running Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 5.2.12 Voyage Plan Editing Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 5.3 SAFETY CHECKING USING THE POSITION DISCREPANCY ALARM . . . . . . . . . . . . . . . 5-14 5.3.1 Position Discrepancy Alarm Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 5.3.2 Performance “Fringe Areas” And Repeating Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Chapter 6: RADAR INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.2 OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.3 NAVLINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4 CREATING NAVLINES CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.1 Using the VMS Digitizer to Create NAVLINES Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.2 Using the RASCAR Display to Create NAVLINES Charts . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.2.1 Lat/Lon Method at the RASCAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.4.2.2 Touch and Range/Bearing Method at the RASCAR . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5 DISPLAYING NAVLINES CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5.1 Displaying NAVLINES at the RASCAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5.2 Automatic Alignment of the NAVLINES Chart at the RASCAR . . . . . . . . . . . . . . . . . . . . 6.5.3 Manual Alignment of NAVLINES at the RASCAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5.4 Displaying NAVLINES at VMS Workstations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5.4.1 Displaying the NAVLINES Layer of an Electronic Chart (.CHT File) . . . . . . . . . . . 6.5.4.2 Displaying “Radar” NAVLINES from a .NVL file at the VMS . . . . . . . . . . . . . . . . .

6-1 6-1 6-1 6-1 6-2 6-2 6-2 6-3 6-3 6-4 6-4 6-4 6-4 6-5 6-5 6-5 vii

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6.6 TRANSFERRING NAVLINES CHARTS BETWEEN THE VMS AND RASCAR . . . . . . . . . . 6-6 6.6.1 Sending NAVLINES Charts from the VMS VT to the RASCAR . . . . . . . . . . . . . . . . . . . . 6-6 6.6.2 Sending NAVLINES Charts from the RASCAR to the VMS VT . . . . . . . . . . . . . . . . . . . . 6-6 6.7 DATA FLOW ON THE NAVLINES INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 6.7.1 Heading . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 6.7.2 Water Speed (Speed Through the Water) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 6.7.3 Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 6.7.4 Set & Drift Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-7 6.8 TARGET DATA LOGGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 6.8.1 Displaying Target Symbols on the VMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 6.8.1.1 At the VMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 6.8.1.2 At the RASCAR display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 6.8.2 Displaying Numeric Target Data at the VMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9 6.8.3 Editing a Target . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11 6.8.4 Displaying Target Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12 6.8.5 Target Swap of Ids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13 6.8.6 Targets from More than One RASCAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13 Chapter 7: ALARMS AND OPERATOR MESSAGES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.2 OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.3 DATUM MESSAGES AND ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.4 ALARM DISPLAY OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5 OPERATOR MESSAGE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.6 SHIP SYMBOLS/CHART WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7-1 7-1 7-1 7-2 7-2 7-5 7-5

Chapter 8: MISCELLANEOUS FUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 8.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 8.2 ELECTRONIC BEARING LINES AND VARIABLE RANGE MARKER . . . . . . . . . . . . . . . . . 8-1 8.3 DANGERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 8.4 QUERY OPTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 8.5 QUERY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 8.6 GUARD RING CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 8.6.1 Guard Ring Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 8.6.2 Setting A Guard Ring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 8.7 MAN OVERBOARD DISPLAY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 8.7.1 Man Overboard Display Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 8.8 PRECISE ANCHORING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 8.8.1 Precise Anchoring Display Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 8.9 PLOTTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 8.9.1 Plotter Initialization And Alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 8.9.2 If The Plotter Fails To Align Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10 viii

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8.9.3 Using The Plotter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.10 DATA LOGGING AND PLAYBACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.10.1 Starting Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.10.2 Stopping Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.11 SPEED CONTROL INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.11.1 Speed Control Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.11.2 Speed Control Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.12 HISTORY MENU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13 FILE MANAGER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13.1 The File Management Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13.2 Using the File Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13.3 Creating The Sub-Directories On The Floppy Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13.4 Copying Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13.5 Deleting Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.13.6 Getting an Accurate List of the Files on a Newly Inserted Floppy Disk . . . . . . . . . . . . 8.13.7 Closing the File Management window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.14 BEEPER ON . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.15 COMPUTED SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.16 PFM CONTROL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.16.1 PFM Re-Initialize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.16.2 Slew On Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.17 REPORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.17.1 Bell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.17.2 Data Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.17.3 Noon Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.18 EVENT MARK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.19 TOUCHSCREEN CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.20 DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8.20.1 Build . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8-10 8-11 8-12 8-14 8-14 8-14 8-15 8-17 8-18 8-18 8-19 8-19 8-19 8-20 8-20 8-20 8-20 8-21 8-21 8-22 8-22 8-23 8-23 8-24 8-24 8-26 8-27 8-27 8-27

Appendix A: GLOSSARY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1 Appendix B: CHART DATUMS AND SYMBOLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 INDEX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Index-1

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Figure 1-1. Typical Voyage Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Figure 1-2. Typical Main Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-3. Conning Information Display - DNV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 Figure 1-4. Typical Conning Information Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Figure 1-5. Typical Engineering Information Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Figure 1-6. Performance Meter Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Figure 1-7. Position Source Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Figure 2-1. VMS-VT Sign-On Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Figure 2-2. Typical Main Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2 Figure 2-3. On-Screen Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Figure 2-4. Main Display Functional Division . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Figure 2-5. Main Menu 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Figure 2-6. Main Menu 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Figure 2-7. Main Menu 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Figure 2-8. Typical Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Figure 2-9. Typical Pop-Up Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Figure 2-10. Typical Movable Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Figure 2-11. Typical Display Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Figure 2-12. Typical Data Entry Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Figure 2-13. Typical Data Display Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Figure 2-14. Colors Pop-Up Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Figure 2-15. Portfolio Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Figure 2-16. Features Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Figure 2-17. Main Menu Sensor Data Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Figure 2-18. Position Source Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Figure 2-19. Secondary Sensor Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 Figure 2-20. Set and Drift Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 Figure 2-21. Manual Sensor Data Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 Figure 2-22. Computed Sensor Data Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 Figure 2-23. Position Source Window, Offset Selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 Figure 2-24. Position Offset Data Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15 Figure 2-25. Units Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 Figure 2-26. Vector Pop-Up Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 Figure 2-27. Control Navline Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 Figure 3-1. Main Menu Chart Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Figure 3-2. Portfolio Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Figure 3-3. Chart Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Figure 3-4. Center Area Set in Lower Left of Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Figure 3-5. Center Area Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Figure 3-6. Defining a New Center Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Figure 3-7. Selecting Offset Point (Arrow Added) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 x

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LIST OF FIGURES

Figure 3-8. AUTO/MAN/LOCK Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Figure 3-9. AUTO vs. MAN Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8 Figure 3-10. Chart Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Figure 3-11. ARCS Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Figure 3-12. ARCS Read Permits Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 Figure 3-13. Chart Permit Entry Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-11 Figure 3-14. ARCS PIN Entry Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-12 Figure 3-15. ARCS Clear Permits Verification Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Figure 3-16. Features Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Figure 3-17. S57 Chart Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14 Figure 3-18. Target Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 Figure 3-19. Ownship Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 Figure 3-20. Portfolio Editor (List Feature Selected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Figure 3-21. Portfolio Editor (Map Feature Selected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19 Figure 3-22. Portfolio Editor (Map & List Features Selected) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20 Figure 3-23. Suppliers Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21 Figure 3-24. Features Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21 Figure 3-25. Open Portfolio Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 Figure 3-26. Chart Digitizer Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-23 Figure 3-27. Setup Digitizer Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25 Figure 3-28. Digitizer Puck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27 Figure 3-29. Chart Load Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-27 Figure 4-1. Voyage Plan Editor Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Figure 4-2. Enter Plan Description Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Figure 4-3. Enter Local ETD Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 Figure 4-4. Select Portfolio Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4 Figure 4-5. Voyage Plan Editor, Chart List Selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Figure 4-6. VP Editor, Waypoint Data Entry Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6 Figure 4-7. Plan Track Wpt #1 to Wpt#2, RL Selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 Figure 4-8. Plan Track Wpt 1 to Wpt 2, GC Selected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11 Figure 4-9. Plan Description and Filename Changed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-11 Figure 4-10. Plan Modified Using Limiting Latitude Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12 Figure 4-11. Ordered Heading White, Advisory Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Figure 4-12. Autopilot Control Menu, Advisory Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 Figure 4-13. Voyage Plan Status Window, Advisory Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-15 Figure 4-14. Operator Message 30 Seconds Before Planned Wheel-Over Point . . . . . . . . . . . . . . . . . . . 4-15 Figure 4-15. Nav Mode, Turn Not Accepted . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-16 Figure 4-16. Ordered Heading Green, Nav Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17 Figure 4-17. Autopilot Control Sub-Menu, Nav Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 Figure 4-18. Voyage Plan Status Window, Nav Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18 Figure 4-19. Autopilot Control Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Figure 4-20. Track Controller Pop-Up Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 xi

Operator’s Manual for the VMS-VT - February 1997

LIST OF FIGURES

Figure 4-21. Heading Order Limits Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-20 Figure 4-22. Operator Message Presented Prior to Reaching the Wheel-over Point . . . . . . . . . . . . . . . . 4-21 Figure 4-23. VP Status Window During a Turn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-21 Figure 4-24. Operator Message Indicating Suggested Heading Order . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Figure 4-25. Resetting Max Hdg Ord Adj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Figure 4-26. Temporary Plan Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-23 Figure 4-27. Voyage Plan Control Sub-Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 Figure 4-28. Voyage Plan Summary Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26 Figure 5-1. Danger Zone and Associated Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Figure 5-2. 2-D Representation of Ownship’s Safety Zone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Figure 5-3. Safety Config Submenu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Figure 5-4. Chart Additions Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-5 Figure 5-5. Chart Additions Editor, LAT/LON Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Figure 5-6. Two Points Shown When Creating A Danger Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6 Figure 5-7. Danger Area Created Using the Chart Additions Editor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7 Figure 5-8. Chart Additions Editor, Adding Chart Notation Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8 Figure 5-9. Chart Additions Editor, Defining Location of Chart Notation . . . . . . . . . . . . . . . . . . . . . . . . 5-9 Figure 5-10. Chart Notation Symbol Shown in the Chart Additions Editor . . . . . . . . . . . . . . . . . . . . . . . . 5-9 Figure 5-11. Display Indicating Points Are Being Edited On The Danger Area . . . . . . . . . . . . . . . . . . . . 5-10 Figure 5-12. Chart Additions Editor - Chart Notation Being Edited . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 Figure 5-13. The Voyage Plan Swath . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Figure 5-14. All Sensor Data Within Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Figure 5-15. All Sensor Data Outside Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Figure 5-16. GPS 2 Sensor Data Outside Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15 Figure 6-1. RASCAR Target Display on the VMS VT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 Figure 6-2. Target Menu Sub-menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9 Figure 6-3. Target Data Window Sub-menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9 Figure 6-4. Target Data Pair Window When Ownship is “Target B” . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10 Figure 6-5. Target Data Pair Window When a Target or a Position is Selected as “Target B” . . . . . . . . 6-11 Figure 6-6. Target Edit -Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11 Figure 6-7. Target Data Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-12 Figure 7-1. Typical Alarm Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 Figure 7-2. Operator Message (Typical) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Figure 7-3. Operator Message When Executing a Voyage Plan (Typical) . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Figure 7-4. “Turn Not Accepted” Operator Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6 Figure 8-1. EBL 1 Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Figure 8-2. EBL Display On Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 Figure 8-3. Danger Query Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 Figure 8-4. Spatial Query Option Data Selection Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Figure 8-5. Cursor Drawn to Show the Query Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 Figure 8-6. Query Window for Objects Within the Selected Area of the Spatial Query Option Setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-4 xii

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LIST OF FIGURES

Figure 8-7. Guard Ring Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 Figure 8-8. Guard Ring Control Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 Figure 8-9. Chart Display Detail Showing Man Overboard Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 Figure 8-10. MOB Data Entry Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 Figure 8-11. Precise Anchoring Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Figure 8-12. Anchor Data Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-8 Figure 8-13. Setting The Plot And Time Stamp . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 Figure 8-14. The Plot Control Setup Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 Figure 8-15. Abort Plotter Alignment Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-10 Figure 8-16. Playback Window Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11 Figure 8-17. Playback Window Overlay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12 Figure 8-18. Selection Of Playback Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13 Figure 8-19. Starting Playback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13 Figure 8-20. Speed Control Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14 Figure 8-21. Ships Loading Conditions Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16 Figure 8-22. History Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17 Figure 8-23. Ownship Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18 Figure 8-24. The File Management Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18 Figure 8-25. Deleting Files Message . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20 Figure 8-26. PFM Control Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22 Figure 8-27. Print Bell Book Range Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23 Figure 8-28. Bell Book Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23 Figure 8-29. Print Data Log Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24 Figure 8-30. Print Noon Report Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24 Figure 8-31. Data Log Report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-25 Figure 8-32. Noon Report (Printed Version) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26 Figure 8-33. Event Description Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26 Figure 8-34. Touchscreen Calibration Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27 Figure 8-35. Diagnostics Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27 Figure 8-36. Build Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27

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LIST OF TABLES Table 2-1. Options Available When Quitting the VMS Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 Table 4-1. Voyage Plan Summary Data When a Voyage Plan is Not Running . . . . . . . . . . . . . . . . . . . . 4-26 Table 4-2. Additional Data Displayed in the Voyage Plan Summary Display When a Voyage Plan is Running . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-28 Table 6-1. Controls Used with the Target Data Window Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10 Table 7-1. VMS-VT Alarm Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3 Table 7-2. VMS VT Operator Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6 Table 8-1. Spatial Query Options Menu Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Table 8-2. Control Speed Status Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16 Table 8-3. Control Status of the Ordered Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17 Table B-1. Datums Supported by the VMS-VT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1 Table B-2. Symbols Used During Chart Editing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-9

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PREFACE

What this Manual Covers This manual describes the function and operation of the Sperry Marine VMS-VT (Voyage Management System - Vision Technology). The VMS Navigation Station and Planning Station are the core components of the system. Both run the VMS-VT software application. This manual describes the operation of these two components in great detail. The VMS-VT has a high degree of flexibility to meet various customers' needs. System configurations will vary, and each system is likely to interface with a different set of optional equipment. Refer to the separate product manuals for peripheral equipment not covered in this manual. Additionally, the VMS software itself contains both standard and optional features. Features that are always optional, i.e. optional on all versions of the VMS software, are identified as such in this manual. Because standard features vary depending on software version, your software may not contain all the features described in this book. Who Should Read this Manual This manual is intended to be used by the officers and crew of vessels fitted with the Sperry Marine VMSVT. It serves as an instructional tool and a reference while learning and operating the equipment. Read the remainder of this preface before moving on to Chapter 1. Conventions Used in this Manual C

In this manual, software menu or control “buttons” are shown with text as it appears on screen, and in a distinct BUTTON font.

C

Text that appears on the display screen (menu labels, window titles, etc.) is reproduced in a distinct Screen Text font. Capitalization matches the way the item appears on the display.

C

The first letter of important operating modes, such as Nav, and Advisory are capitalized.

C

The first letter of important system components, such as Navigation Station, and Planning Station are capitalized.

C

Italics - The italic font is often used for important terms the first time they appear in a chapter or section.

C

A glossary provides a definition for the abbreviated terms, acronyms, and other important terms.

C

The manual will often instruct you to select a menu button or data input field. The word "button" refers to one of the graphic buttons on the display screen unless the sentence indicates that the button is located on an external device such as a trackball, or digitizer puck.

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PREFACE

To Begin Using the Manual and the VMS-VT To learn how to make the system work for you, read Chapter 1 for an overview, then move to one of the VMS workstations and follow the procedures described in Chapter 2. Experienced users of computer programs that run under windows will learn the basics of operation quite quickly, as the procedure for closing and moving certain display windows is very similar. Any training in Windows will be beneficial in this regard. Most users find that operating the VMS is intuitive and easy to learn. Spend some time getting familiar with the main menu and the user interface on your particular workstation, then refer to the Table of Contents or Index to find the operation you wish to perform. Refer back to Chapters 1, and 2 as needed.

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NOTICE, WARNING AND DISCLAIMER SPERRY MARINE'S VOYAGE MANAGEMENT SYSTEM AND ASSOCIATED NAVIGATION PRODUCTS INCLUDING THE ELECTRONIC CHART DISPLAY AND AUTOMATIC NAVIGATION AND TRACK KEEPING SYSTEM ARE AIDS TO SAFE MARINE NAVIGATION. ALL SUCH NAVIGATION AIDS ARE SUBJECT TO CERTAIN INACCURACIES AND DISCREPANCIES THAT, IF UNCONSIDERED, MAY RESULT IN A MARINE ACCIDENT OR INCIDENT, AND CONSEQUENT LOSS OF LIFE, VESSEL, CARGO AND ENVIRONMENTAL DAMAGE. ACCORDINGLY, THE MARINER WILL NOT RELY ON A SOLE NAVIGATION AID (INCLUDING SPERRY MARINE'S VOYAGE MANAGEMENT SYSTEM) FOR THE SAFE NAVIGATION OF THE VESSEL. THE PRUDENT MARINER WILL OBTAIN NAVIGATION INFORMATION FROM ADDITIONAL SOURCES, CROSS-CHECKING ALL INFORMATION FOR ANY INACCURACIES OR DISCREPANCIES WHILE DETERMINING THE VESSEL'S POSITION, COURSE, SPEED AND INTENDED TRACK.

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Chapter 1: INTRODUCTION 1.1 GENERAL The Sperry Marine Voyage Management System –Vision Technology (VMS-VT) is a highly advanced navigation, planning, and monitoring system. The system typically consists of two or more computer workstations connected by a Local Area Network (LAN). Traditional bridge equipment and practically any other type of onboard systems can be interfaced to the VMS-VT. Navigation officers can check a variety of important data at strategically located workstations. Optional remote monitors can provide additional slave displays at any required location.

1.2 VMS-VT PURPOSE The purpose of the VMS-VT is to use the power, accuracy, and speed of computers to automate many time-consuming tasks in voyage planning and navigation. A variety of important data from many different sensors is collected and displayed at one or more VMS workstations. With a VMS system installed, the bridge officer has more time to make decisions, since less time is spent gathering the data and performing calculations.

1.3 SYSTEM OVERVIEW The VMS is used when planning the voyage, and while conning the vessel. The block diagram in Figure 1-1 shows the configuration of a typical VMS system. When the VMS system includes more than one workstation, all system computers are linked via a LAN, so that data input to one computer is available at all workstations. Typically the VMS will include at least one Navigation Station and one Planning Station. The system shown in Figure 1-1 includes a third VMS workstation, called the Conning Station. The Navigation Station will usually be located in the conning position. The Planning Station will usually be located in the chart room where there is more room for the chart digitizer. A high resolution monitor is typically situated next to the chart table, with the workstation computer nearby. A printer is usually included at the Planning Station to provide a hard copy of voyage data. An officer can work on voyage planning or chart editing at the Planning Station without interfering with the conning operations at the Navigation Station. All navigation screens available at the Navigation Station are also available at the Planning Station, so that the vessel's position can be monitored from either location. The VMS Main Display shown in Figure 1-2 is the screen most often used at the Navigation Station and Planning Station. NOTE: The Planning Station must not be used to control the ship. The vessel should be conned only from the Navigation Station. The Conning Station is usually configured to display a single page of specific navigation data in order to comply with the requirements of a regulatory group, such as DNV (Det Norske Veritas). In this type of configuration the pointing device is not provided, since the display shows just one non-interactive screen. In the case of the Conning Station, the screen is called the "Conning Information Display" or CID.

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Figure 1-1. Typical Voyage Management System The Conning Station's Conning Information Display screen presents useful navigation and meteorological data to the watch standing officer. Much of the digital data is presented graphically in a way that mimics analog instruments. This makes it easier to comprehend and assimilate the data at a glance. The displayed data is updated based on the connected sensors, but the display layout is fixed, so that the operator becomes accustomed to finding certain data in the same location, any time he or she looks for it. A similar CID page is often made available as a large Display Overlay Screen at the VMS Navigation Station and Planning Station (see Figures 1-3 and 1-4). Like the Conning Information Display, an Engineering Information Display (see Figure 1-5) is available as either a Display Overlay Screen at the VMS Navigation Station and Planning Station or as a full screen display at a dedicated monitor. The VMS can also be configured to display other pages such as the Performance Monitor window as shown in Figure 1-6. As Figures 1-3 through 1-6 indicate, a primary advantage of the VMS system is in the system’s flexibly in presenting information according to specific customer requirements.

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Figure 1-2. Typical Main Display

Figure 1-3. Conning Information Display - DNV 1-3

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Figure 1-4. Typical Conning Information Display

Figure 1-5. Typical Engineering Information Display 1-4

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Basic VMS functions include: C C C C C C C C C C

Integrating data from various sensors Sharing data on a local area network (LAN) Displaying real-time sensor information Displaying electronic charts with Ownship's position Creating voyage plans Executing voyage plans Display of Electronic Bearing Lines (EBL’s) Display of Variable Range Markers (VRM’s) Comprehensive alarm and operator message system printing of ship’s nav data

Optional VMS function include: C C C C C C C C C C C C C

Figure 1-6. Performance Meter Display

Controlling an autopilot Controlling the speed order Providing Radar Target Information DNV certified track keeping ECDIS S57 chart display Interface to voyage recorder Creating and editing electronic charts with a digitizer Providing data to docking displays Providing precision maneuvering displays Man overboard display Providing data to a conning station Displaying engine room data Displaying meteorological data

1.3.1 Electronic Charts The VMS-VT also has the capability to catalog and display multiple types of chart formats including commercially available scanned charts produced by major official hydrographic offices, and/or commercially produced vector charts in the S57 format. Some of the chart formats include S57, British Admiralty ARCS Raster Charts (BA charts), National Oceanic and Atmospheric Administration Raster Charts (NOAA charts) and Digitized Vector Charts (DC charts). Electronic charts are retrieved from CD-ROM’s. In certain cases selected electronic charts may be stored on a system hard disk. The VMS Planning Station includes a digitizer pad, so that electronic charts can be created by the ship's staff. The digitizer is also used to edit these electronic charts when the corresponding paper chart is updated by a

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published Notice to Mariners. The charts are stored as individual files in the VMS workstations. The charts digitized at the planning station can be copied to floppy disks for backup storage and transfer from ship to ship. A standard 1.4 megabyte floppy disk can hold about 20 detailed charts. 1.3.2 Sensor Data Integration and Display The capability to receive sensor data from the local area network and through direct interfaces is a key feature of the VMS. The primary type of sensor data processed by the VMS is navigational information. The types of navigational data used by the VMS include: C C C C C C

heading speed over the ground speed through the water geographic position set & drift course over the ground

The VMS sorts the data by type, and provides a separate source window for each type of data. The source windows are displayed by selecting the appropriate button on the main menu. Each source window lists a group of sensors appropriate to the data type. The present data from each sensor is included Figure 1-7. Position Source Window in the window so that the best source can be selected from the list. For example, the Position Source window (see Figure 1-7) is displayed by selecting POSITION on the main menu. This window provides a list of all the configured position sensors, along with the present data from each sensor. The user selects the desired source of position data from this list. The sources for other types of navigational data are selected in a similar manner. If a valid source of data is temporarily unavailable, the operator can manually enter the appropriate data, and select MANUAL in the source window. Chapter 3 provides more details on selecting sources for navigation data. 1.3.3 Radar Target Data The VMS allows access and display of target information from multiple ARPA radars. The Sperry Marine RASCAR radar contains an ON/OFF switch for the target data logging option. This lets the operator choose the source of ARPA target information at the VMS. If desired, all the connected RASCAR radars can send their target data. The data is automatically processed into a single target list, so that if two radars have acquired the same target it will be displayed as one target at the VMS. Symbols representing the radar targets are displayed on the electronic chart. Each target symbol includes a speed vector, history dots, and an id. number. Chapter 6 provides a detailed description of the RASCAR - VMS interface, including the transfer of radar targets to the VMS.

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Chapter 2: BASIC OPERATION 2.1 INTRODUCTION This chapter covers the following topics: C C C C C

System Startup Using the Input Devices VMS-VT Software Basics Initial Setup Quit VMS-VT

2.2 SYSTEM STARTUP In most cases the system is installed so that one switch at each workstation applies power to the workstation computer and monitor. However, system installations will vary from vessel to vessel. The exact procedure for powering up your workstations should be noted at the time of installation. The procedure should be kept with this manual and/or at other locations as prescribed by the ship's master, or navigation officer. When the workstation power is switched on, the computer's operating system automatically loads all the necessary software and runs the VMS program. The VMS-VT sign-on screen (Figure 2-1) is displayed while the program is being loaded. After system initialization the sign-on screen is replaced by the Main Display (Figure 2-2). NOTE: The exact layout of buttons in the Main Menu varies according to customer specifications. Figure 2-1. VMS-VT Sign-On Screen At startup, the display defaults to the Center mode in which the Ownship symbol is displayed in the center of the chart display area. The chart displayed will be the best chart for the area that the vessel is in or a planning sheet if no charts are available. If no other workstation on the network has been started, the sources for position, heading, speed, and set/drift will be based on the selections that were in effect when the system was shut down. If another workstation has already been started, the navigation data sources are automatically selected to match the selections at the active workstation.

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Figure 2-2. Typical Main Display

Each VMS workstation is used as the interface for a specific set of navigation sensors and peripheral equipment (including RASCARs and Autopilot). Each workstation must be running the VMS software to make the data from its associated sensors available to the system. If data from a specific sensor is not available at a workstation, make sure that the sensor is on, and that the workstation it is wired to has been started. Each navigation sensor (including RASCAR and Autopilot) is typically interfaced to the system through one VMS workstation. Exceptions to this rule are possible when a data splitter, or data A/B switch is used.

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NOTE: In order to prevent the inadvertent deleting or mishandling of important files, the operating system is not available to the user. Only Sperry Marine service representatives with the correct password can access the operating system for system analysis and software upgrades. The service representative will re-lock the operating system before departing the vessel. If you discover that you have access to the Windows NT operating system, please contact Sperry Marine field service as soon as possible. Under no circumstances should any software programs other than the Sperry VMS be loaded on a VMS workstation.

2.3 USING THE INPUT DEVICES 2.3.1 Pointing Devices Three types of pointing device are available for use with the VMS system: the touchscreen, the trackball and the mouse. Each of these user-friendly devices is used to position the cursor ( ) and select on-screen menu buttons. Touchscreen - The touchscreen automatically senses when the operator's finger touches the display and moves the on-screen cursor to correspond with the operator's finger position and movements. To make a menu selection, touch the display and move the cursor to the appropriate menu button. The menu button will become highlighted (outlined in yellow) to show that it has been selected. Remove your finger from the screen while the button is highlighted to activate the corresponding function. Trackball or Mouse - A trackball and mouse work in a similar manner. A trackball is essentially an inverted mouse with the buttons relocated to the top. For both devices, the cursor moves in a direction corresponding to the direction the ball is rolled. To select an item on the menu, do the following steps: a. Move the cursor onto the appropriate menu button. Press the left-hand button on the pointing device (mouse or trackball) to highlight the menu button. b. While you hold down the device button, the menu button is highlighted, but the associated command is not executed until you release the device button. 2.3.2 Keyboards Many VMS functions require alphanumeric data input from the operator. This data is always entered in an on-screen data entry box (see Section 2.4.3). Two different types of keyboards are available to type in and enter data: the external keyboard and the on-screen keyboard. The type of keyboard used depends on the particular workstation. Workstations that include an external keyboard can be configured to either display, or not display the on-screen keyboard. The choice is made at installation, and can be changed later by a Sperry field engineer. The external and on-screen keyboards can be used interchangeably when both are present.

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In some instances there are a limited number of characters that may be typed in. If you reach this limit, you will have to modify your entry using abbreviations. Additionally, if you have entered data that is invalid or out of a specified range, the data in the data entry box will turn red. External Keyboard - An external keyboard is normally included at the VMS Planning Station. To enter text and numeric data via the external keyboard, use the pointing device to select the desired data entry box. A white box (typeover mode) or a vertical white line (insert mode) will appear in the data entry box indicating that the external keyboard may now be used to enter data. Use the keyboard's Insert key to toggle between insert and typeover mode. Type in the desired text or data and press Enter. The system does not use newly entered data until you select the Accept button at the bottom of the sub-menu or window.

Figure 2-3. On-Screen Keyboard On-screen Keyboard - This is the normal means of entering data at the Navigation Station where an external keyboard is usually not installed. The on-screen keyboard (Figure 2-3) includes a small data entry box at its upper left-hand corner. In typeover mode, a white square around one of the characters indicates the cursor position. If the Ins key is selected, the cursor position is indicated by a vertical line. Use the Original key to reset the on-screen keyboard’s data entry box to its original value. Use the Clear key on the on-screen keyboard to start with a clear data box. After you have typed in a valid entry select the ACCEPT key on the on-screen keyboard. The system does not use newly entered data until you select the Accept button at the bottom of the sub-menu or window from which the on-screen keyboard was accessed.

2.4 VMS-VT SOFTWARE BASICS 2.4.1 Main Display The Main Display appears after the program has completed loading and is the basic VMS-VT display screen (see Figure 2-2). The Main Display is divided into two functional areas: the Main Menu and the Chart Display Area (see Figure 2-4).

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Main Menu - The Main Menu appears on the right-hand side of the Main Display and consists of 24 rows of buttons and several data displays. All workstation functions are initiated by selecting one of the control buttons on the Main Menu. Buttons labeled with dark lettering represent either a function that is not available due to the present mode of operation (these are dark temporarily), or an optional feature that is not installed in the system (these will remain dark until the option is installed). Refer to the Index to locate information on the function of specific buttons. NOTE: The exact layout of buttons in the Main Menu varies according to customer specifications

Figure 2-4. Main Display Functional Division

Figures 2-5 through 2-7 provide examples of typical Main Menu layouts. Chart Display Area - To the left of the Main Menu is the Chart Display Area (see Figure 2-4). This area is used to display graphics including: C C C C C C

A Lat/lon grid, orientation arrow, and distance scale; An electronic chart; Ownship symbol with speed/course vectors and history circles; Two electronic bearing lines and one variable range marker; Logged radar targets with speed/course vectors and history dots. Operator defined danger areas used with the safety checker

At times, the Chart Display Area may be obscured by a window or display overlay. The Reveal Chart button on the second row of the Main Menu is used to quickly display the selected chart over any window or display overlay that is in use. Select Overlays to restore the active display overlay, or window. Some windows are automatically closed when Reveal Chart is selected. They can be reopened by selecting the appropriate button from the Main Menu.

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Figure 2-5. Main Menu 1

Figure 2-6. Main Menu 2

Figure 2-7. Main Menu 3

2.4.2 Sub-menus, Pop-up Selection Menus, Moveable Windows, and Display Overlays The operator uses the buttons on the Main Menu to initiate various navigation and planning tasks at the VMS. Some of the buttons on the Main Menu have an immediate effect, such as those that control the scale and the display center of the selected chart. Other buttons result in the display of a sub-menu, a pop-up selection menu, a moveable window, or a large display overlay. Selections are made from these displays to perform the desired navigation task. In many cases controls are provided for scrolling through a list of menu items before making a selection, or changing the value for a particular setting. These scroll bars are displayed horizontally or vertically, depending on the window, or sub-menu they are used with. Each type of display used by the VMS is described and illustrated on the following pages. 2-6

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Sub-menus - Sub-menus are displayed on top of a portion of the Main Menu, providing additional control or selection buttons and data boxes. Figure 2-8 shows the Manual Sensor Data sub-menu as an example. Pop-up Selection Menus - Pop-up selection menus (or pop-up menus) are found on the Main Menu and several sub-menus. Pop-up selection menus are associated with the and symbols. Selecting these buttons displays a pop-up menu which provides the user with a list of items from which to choose (see Figure 2-9). Movable Windows – These windows appear only in the Chart Display Area. They provide additional controls and selection buttons, and in some cases display navigation data from multiple sensors. Figure 2-10 shows the VP STATUS window as an illustration. All movable windows have a small Move button in the upper right-hand corner. The move button is used to move the window to any location in the Chart Display Area, to avoid covering important portions of the chart. Select and release the Move button, move the mouse to the left of the Move button, click and hold to select the window, and drag to the desired new location. A dashed outline indicates that you have Figure 2-8. Typical Sub-Menu acquired and are moving the window. When you lift your finger from the display, or release the button on the pointing device, the window moves to the new location. This new window position is remembered by the system, so that when the window is recalled in the future, it will be displayed in the last selected location. Movable windows also have either a Close button or Accept and Cancel buttons. Selecting the any of these buttons will remove the window from the display. Display Overlays – Certain VMS functions use a large display overlay which covers most of the chart display and the Main Menu (see Figure 2-11). These large overlays are not moveable. The Main Menu Buttons Reveal Chart and Overlays can be used to toggle between the chart display and a display overlay. The Button closes the display overlay.

Figure 2-9. Typical Pop-Up Menu

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Figure 2-10. Typical Movable Window

Figure 2-11. Typical Display Overlay

2.4.3 Data Entry Boxes and Data Display Boxes There are two types of data boxes used on VMS display screens: data entry boxes, and data display boxes. These data boxes perform different functions and are easy to distinguish. Data Entry Boxes - Data entry boxes appear when the operator must enter alphanumeric data into the VMS system. Data entry boxes contain white lettering on a blue background. Figure 2-12 is taken from the Manual Sensor Data sub-menu and contains several data entry boxes.

Figure 2-12. Typical Data Entry Boxes

Data Display Boxes - Data display boxes are used to present numbers, filenames, chart names, etc to the operator (see Figure 2-13). The Main Menu contains nearly twenty data display boxes. Data display boxes display green, white or red lettering against a grey background. The information in a data display box cannot be directly changed by selecting the box. 2.4.4 Software Conventions

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Figure 2-13. Typical Data Display Boxes

C

Red text is used to indicate invalid or suspect data.

C

Yellow text is used for pending data changes (data not yet accepted).

C

Green text is used for valid data.

C

Green or green with a white check in a button status box indicates that feature is on/active.

Operator’s Manual for the VMS-VT - February 1997 C

Yellow or yellow with a white check in a button status box indicates that feature is pending-on. A pending-on feature becomes on/active when the Accept button on the sub-menu or window is selected.

C

The Ownship symbol will change from green to red if the VMS determines that the position source or heading source is no longer providing valid data.

C

The text on buttons that are not available appears darkened or phantomed.

C

Movable windows and display overlays contain a Close or Cancel button that may be used to close the window before it has been used. This feature is helpful for removing windows that have been selected in error.

2.5 INITIAL SET-UP Follow the initial set-up procedure below when you have become familiar with the Main Display and are comfortable using the input devices at your VMS workstation. The steps in this set-up procedure do not have to be followed in the exact order shown below. If an alarm is issued during the set-up procedure, select ALARM DISPLAY and note the alarm description. It is probably an alarm condition that will be corrected as you perform the initial set-up. Select the red alarm description button(s) in the Unacknowledged Alarms list to acknowledge and silence the alarm(s). If the alarm condition still exists, the description will move to the Acknowledged Alarms portion of the ALARM DISPLAY window. Close the ALARM DISPLAY window after acknowledging the alarm(s). Please be aware that active alarm conditions still need to be answered, even if the ALARM DISPLAY window is closed. NOTE: Sometimes an alarm condition is detected at start-up due to certain timing factors at system initialization. The alarm description will be displayed on a gray button in the top portion of the ALARM DISPLAY window, as described above. Once acknowledged, the alarm description disappears. If the alarm does not come back during normal operation, there is no fault within the system. 2.5.1 Display Colors Several display color settings are provided to help match the display output to ambient light conditions. To change display colors, select the System Menu button on the Main Menu. This displays the System Menu. The presently selected color scheme is indicated on the legend of the Colors button (Day Bright, Day White Back (background), Day Black Back, etc.). Select the Colors button and choose a new color scheme from the pop-up menu (see Figure 2-14). NOTE: Electronic Chart colors may appear to be different when the display colors are changed.

Figure 2-14. Colors Pop-Up Menu

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2.5.2 Selecting a Chart and Chart Features This section briefly describes selecting an electronic chart and adjusting its on-screen features. Detailed information on electronic charts and display features may be found in Chapter 3. Selecting a Chart - Select Chart on the Main Menu. This displays the Portfolio menu (see Figure 2-15). Charts may be selected from a portfolio or from the Chart Catalog. The Chart Catalog button may be used to display a list of all available charts regardless of portfolio. After selecting a chart press the Accept button. The selected chart is displayed at its default or nominal scale. The default chart center is centered on the display. The default center will be the center point of all digitized data. Refer to Chapter 3 for details on adjusting the chart display (zooming, offsetting, etc). NOTE: Ownship position may not be displayed on the selected chart depending on ship’s position and chart coverage. Selecting Display Features - From the Main Menu, select Features to display the Features Menu (see Figure 2-16). For simplified feature selection, use the All Features on, Standard Display, or All Features off buttons. Individual features may be toggled on or off using the pop-up menus available from the Features Menu. NOTE: The features available on the Features Menu depend on the type of chart that is loaded. Scanned charts will not allow as many features to be turned on and off.

Figure 2-15. Portfolio Menu

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Figure 2-16. Features Menu

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2.5.3 Source Selection for Sensor Data It is not necessary to perform these source selection steps if the best data sources are already selected (data sources are listed beside the data values on the Main Menu; see Figure 2-17). It is important, however, for the navigator to understand how to select between the various available data sources. NOTE: It is important to realize that changing the selected sensor data source at any VMS workstation, will change the source for all workstations on the network. This ensures that the navigator is getting consistent data, regardless of which VMS screen he is using.

Figure 2-17. Main Menu Sensor Data Display

Position, Water Speed, Ground Speed, and Heading - A similar procedure is used for selecting the sensor source for Position, Water Speed, Ground Speed, and Heading. Position source is used here as an example. Select Position on the Main Menu to display the Position Source window (see Figure 2-18). Select the desired position source from the list provided (in this case EGI). A green diamond indicates which sensor is selected. Select Accept. The window disappears, and the data from the selected source and the name of the source are displayed on the Main Menu. NOTE: RED text is used to indicate invalid or suspect data and GREEN text is used for valid data. Secondary Sensors - Secondary sensors are those used to determine set and drift, Depth, Wind Speed and Direction, etc. Secondary sensor data and source name are not displayed on the Main Menu. Secondary sensor buttons are used to both display secondary sensor data and to change data sources (see Figure 2-19). The currently selected secondary sensor button is available from the Main Menu. Other secondary sensors are displayed by selecting the Down Arrow . Figure 2-18. Position Source Window For example, selecting the Set & Drift button displays the Set and Drift window. From this window, set and drift values may be read and sources selected.

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Figure 2-19. Secondary Sensor Buttons

Figure 2-20. Set and Drift Window

2.5.4 Manual Input for Sensor Data NOTE: Using manually entered data as the source for navigation data will seriously affect the usefulness of the VMS as a navigation tool, particularly if manual data is selected as the source for Position or Heading data. When a valid source of sensor data is temporarily unavailable for a particular sensor group, you can input data manually. Select Manual Data on the Main Menu to display the Manual Sensor Data sub-menu (see Figure 2-21). Manual data can be entered for Position, Heading, Ground Speed, Water Speed, and set and drift. Manual data will not normally be entered for all the sensor groups at the same time except, perhaps in the course of testing, or simulating the execution of a voyage plan. If you wish to use manual data for more than one sensor group, you can enter all the data manually while on the Manual Sensor Data sub-menu, and then select Accept. There is no need to go back and forth between the Manual Sensor Data sub-menu and the Main Menu. You can then use the individual source selection windows to select Manual as the source for the appropriate sensor groups before, or after entering the manual data. 2.5.4.1 Entering Position Manually – Select Manual Data on the Main Menu to display the Manual Sensor Data sub-menu (see Figure 2-21). The first row of data displayed on the sub-menu is the Ownship Lat and Lon. There are two ways to enter Ownship position manually – numeric entry and chart entry. Numeric Entry - The numeric entry method uses the on-screen or external keyboard for typing in a Lat and Lon. Select one of the digits contained in the Lat data entry box.. The on-screen keyboard is displayed (if configured). Type in the correct latitude, and select Accept or ENTER to enter the data. Repeat this procedure for Lon. The manually entered position is now displayed on the Manual Sensor Data sub-menu. This position is entered into the system when Accept is selected on the sub-menu. Chart Entry -The second method of entering a position manually is to use the Position on Chart button located just below the displayed position on the sub-menu. An appropriate chart (one that includes the known 2-12

Figure 2-21. Manual Sensor Data Menu

Operator’s Manual for the VMS-VT - February 1997

present location of your vessel) should be displayed before using this method. Use the Z out, Offset, and Z in buttons to display an area of the chart that includes the known location of your vessel. Then Select Position on Chart, and move the cursor to the correct Ownship position on the chart display. Select Accept on the sub-menu to enter this position into the system. Next, select Position on the Main Menu to display the Position Source window. The position you just selected on the chart will be displayed in Lat and Lon next to the Manual button. Since you have accepted this data on the Manual Sensor Data sub-menu, the data is green, not red. Select the Manual button, and select Accept. The Ownship symbol will appear on the display at the manually selected location. The VMS will update this position by dead reckoning, based on the present speed and heading data.

NOTE: Using manual position data is not the normal mode of operation, and a sensor such as GPS, or LORAN-C should be selected as soon as valid data is available. 2.5.4.2 Entering Heading Manually – Select Manual Data on the Main Menu to display the Manual Sensor Data sub-menu. Below the Position on Chart button is the label Heading (E) and a data entry box showing the heading data. Select this displayed heading data, and use the on-screen or external keyboard to type in the correct heading. Select Accept or ENTER, to enter this heading into the Manual Sensor Data sub-menu. Select Accept on the sub-menu, then select Heading on the Main Menu to display the Heading Source window. The heading you just entered will be displayed next to the Manual button. Select the Manual button, and select Accept. The manually entered heading will now be used for the Ownship heading vector. This data must be updated manually when the vessel's heading changes. NOTE: Using manual heading data is not the normal mode of operation, and a sensor such a Gyrocompass should be selected as soon as valid data is available. 2.5.4.3 Entering Ground Speed Manually – Select Manual Data on the Main Menu to display the Manual Sensor Data sub-menu. Select the ground speed data entry box, and use the on-screen or external keyboard to type in the correct ground speed. Select Accept or ENTER, to enter the data into the Manual Sensor Data sub-menu. Select Accept on the sub-menu, then select G Spd on the Main Menu to display the Ground Speed window. The ground speed you just entered will be displayed next to the Manual button. Select the Manual button, and select Accept. This data will determine the length of the Ownship course vector. The data must be updated manually if the vessel's ground speed changes. NOTE: Using manual ground speed data is not the normal mode of operation. Select a sensor such as GPS or LORAN-C as soon as valid data is available. 2.5.4.4 Entering Water Speed Manually – Select Manual Data on the Main Menu to display the Manual Sensor Data sub-menu. Select the water speed data entry box, and use the keyboard to type in the correct water speed. Select Accept or ENTER to enter the data into the Manual Sensor Data sub-menu. Select Accept on the sub-menu, then select W Spd on the Main Menu to display the Water Speed window. The water speed you just entered will be displayed next to the Manual button. Select the Manual button, and

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select Accept. The manually entered heading will now be used to determine the length of the Ownship speed vector. This data must be updated manually if the vessel's speed through the water changes. NOTE: Using manual water speed data is not the normal mode of operation, and a sensor such a Speed Log, should be selected as soon as valid data is available. 2.5.4.5 Entering a Manual Set and Drift – Select Manual Data on the Main Menu to display the Manual Sensor Data sub-menu. Select the Set data entry box and use the on-screen keyboard to type in the correct set value. Select Accept. Select the Drift data entry box and use the on-screen keyboard to type in the correct drift value. Select Accept. Select the Set & Drift button on the Main Menu to display the pop-up selection menu. Select Set & Drift from the pop-up selection menu to display the Set And Drift window. Select the Manual button and select Accept. If the Set & Drift button does not appear on the Main Menu, select the Down Arrow button next to the Manual Data button to display the pop-up selection menu. Select Set & Drift to display the Set and Drift window. The set and drift you just entered will be displayed next to the Manual button. Select the Manual button, and select Accept. 2.5.4.6 Entering Set and Drift From Computed Sensor Window – Set & drift data from a source which is supplying valid data should be used when available. However, if there is no sensor supplying accurate set & drift data, initial values can be entered for the computed sensor as follows:

Figure 2-22. Computed Sensor Data Window

a. Select the System Menu button from the Main Menu. b. Select the Computed Sensor button from the System Menu window. c.

Enter the values for Set and Drift in the Computed Sensor Data window (Figure 2-22)

d. Select the Accept button. NOTE: This is the preferred method for entering Set & Drift data.

2.5.5 Position Offset If you determine that the selected position source has a fixed offset, you can enter the offset amount so that the Ownship symbol is displayed more accurately on the electronic chart.

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Figure 2-23. Position Source Window, Offset Selected

Operator’s Manual for the VMS-VT - February 1997

NOTE: Using a position offset is not the recommended mode of operation. Normally, GPS or differential GPS provides accurate position data and an offset is not necessary. However, in some cases GPS may not be available. Certain position sensors, such as Loran C, may have good repeatable accuracy, but there can be a fixed error for a given geographic area. This type of error can be compensated for at the VMS by entering a position offset. Setting Position Offset: a. Select the Position button on the Main Menu to display the Position Source window (see Figure 2-23). The lower half of the window shows any position offset data which may have been entered from the Position Offset Data window. If an offset has not been entered, the displayed offset values will all be zero. To enter and apply a position offset: a. Select the Offset Edit button from the Position Source window to display the Position Offset Data window (see Figure 2-24). Figure 2-24. Position Offset The position data presently being used is displayed in a data entry box Data Menu above the Position on Chart button. This position data will match the data from the selected position source as displayed in the Position Source window, unless an offset has already been entered. There are two ways to enter an offset to the position data: Position On Chart and Keyboard entry of Lat/Lon. Position On Chart: a.

Select Position on Chart from the Position Offset Data window and select the known correct position of Ownship on the electronic chart. The position data shown on the sub-menu changes to reflect the position selected on the chart display.

b. Select Accept. The offset data is now shown in Range/Bearing, and Lat/Lon in the Position Source window. The data is yellow because this is a pending offset amount. Keyboard Entry: a. Select the Offset Edit button from the Position Source window to display the Position Offset Data window Then select the Lat or Lon data entry box. The on-screen keyboard will be displayed (if configured). Use the on-screen or external keyboard (if installed) to enter the known correct Ownship Lat and Lon. b. Select the Accept button. The resultant offset amount is shown in the Range/Bearing, and Lat/Lon data fields in the Position Source window. The data is yellow because this is a pending offset amount.

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c.

After an offset has been entered, select the Offset On button at the Position Source window. The button’s green check box will illuminate when the offset feature is on.

d.

Select the Accept button.

When a position offset is accepted, and is being applied, the label OFFSET appears on the Main Menu below the box showing the name of the selected position source. When the Position Source window is re-displayed, the offset data is white because the offset has been accepted. This offset amount will not change for the selected sensor until it is deliberately changed by the operator. Canceling the Position Offset - The VMS remembers individual position offset amounts for each sensor once an offset has been entered. You can choose to not apply the offset, but still keep the data in memory, or you can cancel the offset amount for the selected position source. Deselecting Position Offset - To keep the offset data in memory, but not apply the offset, do the following: a. Select the Position button on the Main Menu to display the Position Source window. b. Select the Offset On button to turn it off. (Selecting it again turns it on). c.

Select Accept. The OFFSET label no longer appears on the Main Menu next to the Longitude data.

Clearing Position Offset from Memory - To clear the offset data from memory, stop applying the offset as described above, then do the following: a. Select Offset Edit and select Accept on the Position Offset Data window. Zeros will be displayed in the Position Source window as the pending offset data (yellow). b. Select Accept and the old offset data is canceled from memory.

2.5.6 Setting Units To check the current VMS units settings or to change one or more settings: a. From the Main Menu, select the System Menu button. b. Select the Units Menu button to display the Units of Measure window. c.

Select the button next to the desired data category to display a pop-up menu containing a list of available units. Figure 2-25. Units Window

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d.

Select the desired unit of measure. The pop-up menu is removed and the button label will reflect the new selection. New units of measure selections can be made for all of the data categories as desired.

e.

Select Accept or Apply at the bottom of the window. the system will make the necessary conversions and displays the associated data using the selected units of measure.

Some of the data categories in the window will apply only to systems which include optional interfaces to analog type devices, and optional display overlays, such as the Engineering Information Display. 2.5.7 Setting Vector Length Select n min button beside the Vector label on the Main Menu and select the desired Ownship vector length (in minutes) from the pop-up menu (see Figure 2-26). The time value selected is used in the equation: Speed (kts) x Vector length (minutes) / 60 = vector length (naut. mi.). Two Ownship vectors (speed and course) are provided as described in Chapter 3. The vector time value selected will affect the length of both vectors in the same manner. This vector length (time) setting will also apply to the vectors of RASCAR targets displayed on the VMS. The target vectors represent the true speed and course of a target as calculated by the RASCAR radar. The VMS does not display relative target vectors.

Figure 2-26. Vector Pop-Up Menu

2.5.8 RASCAR Targets and Navlines Targets - Targets with speed/course vectors can be displayed on the VMS, provided the RASCAR's target data logging is set up to send the information. The Target Symbols button on the Features Menu window is used to turn the target symbols on or off at the VMS display. See chapter 6 for a more detailed description of the target data logging feature. NAVLINES - An assortment of Navline files can be stored in the VMS, in addition to the chart files. The Navlines files are simple charts containing up to sixty line segments that are only available with Sperry Marine’s RASCAR radar. They can be created either at the RASCAR radar, or by using the digitizer at the Planning station. NAVLINES are usually constructed to mark traffic separation zones, channel boundaries, intended track lines, floating aids to navigation, land features which are known to provide distinct radar return, or a combination of these items. The Navlines can be displayed on the RASCAR, and/or the VMS display. Select the Navlines button on the Main Menu to display the Control Navline sub-menu (see Figure 2-27). Select a Navlines map for the local area, and select Accept. The Navlines will be displayed on the VMS as solid blue lines. These can be turned off and on using the Radar Navlines button on the Features Menu window. If the RASCAR is set up properly, the Navlines will automatically be displayed at the radar when selected and accepted at the VMS. The transfer can take as much as 30 seconds. See chapter 6 for more detailed instruction. Figure 2-27. Control Navline Menu 2-17

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2.5.9 Setting the Zone, Time and Date (Optional Feature) This step need not be performed if the displayed time at the bottom of the menu area is already correct. NOTE: On VMS systems that do not collect time data from the GPS, the correct UTC must be manually set at startup. All VMS workstations will synchronize time automatically. Making significant changes to the set time can have a temporary adverse effect on system performance, causing sensor alarms, although the sensors may be operating normally. If this happens, select ALARM DISPLAY and observe the alarm descriptions. They should all be on gray buttons in the ALARM DISPLAY window. Acknowledge (clear) the alarms, and the VMS will resume normal operation. If the operating system does not properly synchronize the time between all VMS workstations on the network, sensor data will not be communicated properly, and alarms will be issued. If the times do not synchronize within about 15 minutes, the time synchronization program has not been activated. Notify Sperry field service.

Time Zone - To set the time zone select Zone from the System Menu to display the Zone Description sub-menu. Select the Zone Description data entry box. The on-screen keyboard will appear (if configured). Use the on-screen or external keyboard to type in "0" and select the keyboard's Accept or ENTER key. This enters the data into the sub-menu. When the Accept button on the Zone Description sub-menu is selected, the system will use the new time zone entry. Time and Date - Select System Menu again and select the Time/Date button to display the Time Set sub-menu (see Figure 3-2). Select the DATE data entry box. Use the on-screen keyboard to type in the correct date (dd/mm/yy), and select Accept or ENTER. Select the TIME display field. Use the keyboard to type in the correct UTC and select Accept or ENTER. Select the Accept button on the Time Set sub-menu and notice the displayed UTC time, +0, and date displayed at the bottom of the Main Menu. Setting the date and time at one workstation automatically sets the date and time at all system workstations (it may take several minutes for all the workstation times to sync up). If you wish to display the local time for your area, select System Menu and Zone. Select the Zone Description data entry box, type in your local zone description, select Accept or ENTER, and select the Accept button on the sub-menu. The time / zone / date displayed at the bottom of the Main Menu will change accordingly. 2.5.10 Initial Set-up Summary The workstation is now set up to provide a useful picture of your navigation situation. The data displayed next to the Heading, G Spd, W Spd, and Position buttons on the Main Menu should all be green. Red data indicates a loss of valid data from the selected source. The data sources are listed to the right of the displayed data. The selected chart name is next to the Chart button. The data display area next to the V Plan button will be blank (unless a plan is still loaded from a previous user). The Ownship symbol will change from green to red if the VMS determines that the position source or heading source is no longer providing valid data. If a valid source of navigation data is temporarily unavailable, it is possible to enter data manually, by selecting Manual as the source.

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The next step is to load and start a voyage plan. You may use the voyage plan editor to create a new plan, or use a stored plan which has been reviewed and authorized by the ship's master or navigation officer. See Chapter 4 for details on voyage planning and execution.

2.6 QUIT VMS SYSTEM Select the Quit VMS System button to exit the VMS program. Table 2-1 defines the three options which are available when this button is selected. Table 2-1. Options Available When Quitting the VMS Software Button

Function

Accept

Will shut down the active VMS node. The Shutdown Computer window appears after accept is selected. From this point you can either turn off the computer or select the Restart button to restart the VMS software.

Cancel

Will cancel the selection and resume VMS operation.

Additional Options

Used to select which VMS node(s) that will be shut down. The selected node(s) will be indicated by a checked box highlighted in green. The node(s) can be individually selected or all of the nodes can be selected at once by using the Select All button.

NOTE: The Planning Station can shut down an operating Navigation Station. Loss of VMS function including sensor information and possibly steering control may occur.

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Chapter 3: ELECTRONIC CHARTS 3.1 INTRODUCTION This chapter covers the following topics: C C C C C C

Electronic Chart Basics Chart Controls Displaying British Admiralty ARCS Charts Display Features Creating and Editing Portfolios Creating and Editing Electronic Charts

3.2 ELECTRONIC CHART BASICS One of the most fundamental features of the VMS software is its ability to display electronic nautical charts. This feature, coupled with the VMS system’s sensor integration, allows Ownship’s current navigational situation (position, water speed, heading, etc.) to be presented in graphical format on the VMS system’s electronic displays. Electronic charts are always displayed in the Chart Display Area, which covers the majority of the monitor and is located to the left of the Main Menu (See Figure 2-4). When no electronic chart is selected, a planning sheet, which appears as a green Mercator grid over a black background, is displayed in the Chart Display Area. The display of electronic charts is governed by the VMS software’s Chart Manager. The Chart Manager is capable of automatically selecting different charts for display based on Ownship’s position during a voyage. This totally automatic function is enabled when the operator sets up an electronic chart portfolio. Electronic portfolios duplicate the practice used with paper charts of organizing the charts selected for a particular voyage in one drawer. Electronic chart portfolios are normally associated with voyage plans (see Chapter 4). When a voyage plan with an associated portfolio is run, the Chart Manager automatically loads the appropriate portfolio and displays the correct chart. This saves the operator from having to chose the correct portfolio for the voyage. The Chart Manager also allows the operator to manually select a chart for display at any time. Section 3.3.1 covers selection of electronic charts in detail. The Chart Manager is capable of using multiple chart formats including S57 Charts, British Admiralty ARCS Raster Charts (BA charts), BSB format charts such as those issued by the National Oceanic and Atmospheric Administration (NOAA) and Digitized Charts (DC charts). Electronic charts are stored either on the hard disk as in the case of DC charts or on CD-ROM’s as in the case of BA or NOAA charts. NOTE: When using the Chart Manager, make sure that the ship’s paper charts and the charts in the electronic chart portfolios match (see section 3.3.4). Methods for updating the electronic charts used with the Chart Manager vary according to chart type: 3-1

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For digitized charts, this is via the digitizer For ARCS charts, this is via the ARCS update service For BSB charts, this is handled via the BSB update service The S57 update scheme has not been defined as of this printing.

The Chart Manager displays charts and all objects in the WGS-84 datum. When the chart datum differs from WGS-84 and the offsets to WGS-84 is provided, the chart will be offset to WGS-84. All other objects such as position, etc. will be displayed in WGS-84.

3.3 CHART CONTROLS The VMS chart controls are grouped together near the bottom of the Main Menu and consist of the Chart, Info, Center, Offset, MAN/LOCK/AUTO, Z In, Z Out, Window, and Cntr Area buttons (see Figure 3-1). These controls work in conjunction with the VMS Chart Manager to govern chart selection and display. Using these buttons the operator can control: C C C C C

portfolio and chart selection the position of Ownship on the display whether the chart will automatically be replaced by another chart as Ownship moves display scale: zooming the display of detailed information about the chart

Figure 3-1. Main Menu Chart Controls

3.3.1 Portfolio And Chart Selection Charts may be selected for display in one of two ways: automatically, by the Chart Manager, or manually, by the operator. 3.3.1.1 Automatic Chart Selection – Automatic chart selection is the default operating mode for the VMS. In this mode, the Chart Manager checks either Ownship position (in the Center Mode) or offset position (in the Offset Mode) and automatically selects a chart from the charts contained in the active portfolio. The selection criteria differs depending on whether the Chart Display Mode Button is set to AUTO or MAN. The Chart Manager is only able to select charts from the active portfolio. If no portfolios have been created, or if no portfolio is currently selected, the Chart Manager cannot operate in the automatic mode. There are two ways in which a portfolio may become the active portfolio: 1. The portfolio may be selected by the operator using the Portfolio sub-menu (see section 3.3.1.3 for details). OR 2. The portfolio may be selected automatically by the VMS when a voyage plan that has a portfolio associated with it is loaded (see section 4.2.1 on creating stored voyage plans).

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NOTE: Not all voyage plans have portfolios associated with them. The association of a portfolio with a voyage plan is recommended, but optional. 3.3.1.2 Manual Chart Selection – Manual chart selection is used to override the Chart Manager’s automatic chart selection in the event the operator wants to select a different chart from the one the Chart Manager has chosen, or force the Chart Manager to continue to display the current chart. This is accomplished by selecting a chart from the chart catalog (see section 3.3.1.3.3), by selecting a different chart from the within the active portfolio (see section 3.3.1.3.2) or by locking the currently selected chart (see section 3.3.2.3). 3.3.1.3 The Portfolio Menu – 3.3.1.3.1 Selecting/Activating Portfolios – Only one portfolio may be active at any given time. Portfolios are selected in one of two ways: manually by the operator or automatically by the VMS when a voyage plan with an associated portfolio is running. To manually select a portfolio: a. Select the Chart button from the Main Menu. This displays the Portfolio sub-menu (see Figure 3-2).

b. Select a portfolio from the list presented in the upper portion of the Portfolio sub-menu. The active portfolio is indicated by the highlighted diamond shaped status box. c. Select Accept to display the chart. NOTE: The portfolio may not be changed while a voyage plan with an associated portfolio is running. When a voyage plan with an associated portfolio is running, all the portfolio buttons and the scroll bar in the Portfolio menu with be phantomed indicating that they are unavailable. In Figure 3-2 the portfolio noaa test 1 is selected. The portfolio’s description is displayed at the top of the Portfolio sub-menu, in this case ALL BSB NOAA. The noaa test 1 button is phantomed indicating it was automatically selected when the current voyage plan was loaded. Creating and editing portfolios is discussed in section 3.6. Associating portfolios with voyage plans is discussed in section 4.2.1. 3.3.1.3.2 Selecting a Chart from the Active Portfolio – To select a chart from the active portfolio: a. Select the Chart button from the Main Menu. This displays the Portfolio sub-menu (see Figure 3-2). The button of the active portfolio will be highlighted with a green diamond. If no button is highlighted, a portfolio must be selected (see above).

Figure 3-2. Portfolio SubMenu 3-3

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b. Select the desired chart from list of charts in the selected portfolio. The chart list is presented below the portfolio list on the Portfolio sub-menu. Use the scroll bar (if active) to scroll through the list. The name of the selected chart is presented at the top of the of the chart list and the selected chart button is highlighted with a green diamond. c. Select Accept to display the chart.

Figure 3-3. Chart Catalog 3.3.1.3.3 Selecting a Chart from the Chart Catalog – The Chart Catalog Overlay (see Figure 3-3) allows the operator to manually select a chart from the entire collection of charts currently available to the system. Normally, charts are selected out of the appropriate portfolio. However, the Chart Catalog feature is provided so that the operator can choose any chart at any time for planning purposes. To select a chart from the chart catalog: a. Select the Chart button from the Main Menu. This displays the Portfolio sub-menu (see Figure 3-2). b. Select the Chart Catalog button. This displays the Chart Catalog Overlay (see Figure 3-3).

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c.

Select the desired chart from the map or list provided. The controls for manipulating the Chart Catalog (Map, List, Zoom buttons, etc.) are identical to those provided on the Portfolio Editor (see section 3.6 for details).

d. Select Accept from the bottom of the Portfolio sub-menu. 3.3.1.3.4 Displaying a Planning Sheet – A planning sheet is a Mercator grid over a black background. A planning sheet is the default display when no chart is loaded or available for the area of operations/interest. Planning sheets can be used to zoom in on track history at greater resolution than the chart allows. This is useful for tuning the autopilot and other steering related maintenance operations. To a planning sheet: a. Select the Chart button from the Main Menu. This displays the Portfolio sub-menu (see Figure 3-2). b. Select the Planning Sheet button. A white check on a yellow background will appear in the button’s status box indicating a pending-on condition. c.

Select the Accept button.

3.3.1.3.5 Clearing Portfolios – The Clear Portfolio button is used to de-select the active portfolio. This button is used when the operator does not want any portfolios active. To clear portfolios: a. Select the Chart button from the Main Menu. This displays the Portfolio sub-menu (see Figure 3-2). b. Select the Clear Portfolio button. A white check on a yellow background will appear in the button’s status box indicating a pending-on condition. c.

Select the Accept button.

3.3.2 Positioning Ownship on the Display: Center, Offset and CNTR Area At any given time either the Center or Offset buttons must be selected. The status box of the selected button is green. Put most simply, the Center feature keeps the Ownship symbol centered around some point on the display (usually the middle) and the Offset feature moves a user selected point on the chart to the

Figure 3-4. Center Area Set in Lower Left of Display

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center of the display (Ownship is then Offset). 3.3.2.1 The Center and CNTR Area Buttons – The Center Button - The Center button is used to keep the Ownship symbol from leaving the chart display area. When the vessel is sailing and a valid position sensor is selected, the Ownship symbol will move across the chart display area. When the Center button is selected, the Ownship symbol will not move off the display area. The Ownship symbol is only allowed to travel within a user configurable area known as the Center Area (CNTR Area on the Main Menu button). When Ownship reaches the Center Area boundary, it resets to the middle of the Center Area and the chart on which it is displayed automatically changes position. NOTE: When the Center button is selected and a portfolio is active, the Chart Manager will automatically select a new chart as Ownship leaves the limits of the old chart (provided the portfolio contains a chart with coverage).

Figure 3-5. Center Area SubMenu

Center Area - The Center Area feature is used in conjunction with the Center button on the Main Menu. The Center Area feature allows the operator to define the area on the display in which Ownship is centered. For example, in Figure 3-4, the chart display is operating in the Center mode and the Center Area has been defined in the lower right hand corner of the chart display. Ownship will remain displayed in the lower right hand corner of the display as the Chart Manager periodically updates the chart display to account for Ownship movement. Use the following procedure to define the Center Area. a. Select the CNTR Area button from the Main Menu. This displays the Center Area menu (see Figure 3-5).

b. To define a new Center Area, select the Set Center Area button. To return the Center Area to the default area (in the center of the display), select the Default Center Area button.

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Figure 3-6. Defining a New Center Area

Operator’s Manual for the VMS-VT - February 1997

c.

Move the cursor to the point on the chart where you wish the middle of the new Center Area. Selecting that point displays a selection box.

d. Resize the selection box to define the new Center Area (see Figure 3-6 ). e.

Select Accept.

3.3.2.2 The Offset Button – The Offset button allows the user to choose any point on the currently displayed chart and then moves that point to the center of the display area. The Offset feature may be used repeatedly to “move around” on the current chart and even off the current chart onto other charts or a planning sheet. If the position chosen is off the current chart, the Chart Manager will select another chart from the active portfolio based on the how the AUTO/MAN/LOCK button is set (see below). To use the Offset feature: a. Select the Offset button from the Main Menu b. Select a point in the Chart Display Area (see Figure 3- ). The chart will redraw after the point is selected.

Figure 3-7. Selecting Offset Point (Arrow Added)

NOTE: Selecting the Offset button disables automatic chart selection based on Ownship position. The chart displayed by the Chart Manager is chosen solely on the basis of the user selected Offset point. 3.3.2.3 Chart Display Mode: The AUTO/MAN/LOCK Button – The AUTO/MAN/LOCK button is used to control: C

How and when the Chart Manager selects new charts from the active portfolio (AUTO vs. MAN)

C

Whether or not the Chart Manager will select a new chart (LOCK)

To change the setting of the AUTO/MAN/LOCK button: Figure 3-8. AUTO/MAN/LOCK Menu 3-7

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a. Select the AUTO/MAN/LOCK button. A pop-up selection menu shown in Figure 3-8 appears on the display. b. Select either the AUTO, MAN or LOCK modes from the menu. Auto - When the Chart Display Mode button is set to AUTO, the Chart Manager will always display the largest scale chart in the portfolio for either Ownship position when in the Center mode or the operator chosen Offset position in the offset mode. For example, in Figure 3-9 A and B are electronic charts and the arrow represents Ownship track. Chart B has a larger scale (is more detailed) than Chart A. If the display is set to Center mode, as Ownship moves from the area covered only by Chart A into the Area covered by both Chart A and Chart B, the Chart Manager will automatically compare the scales of the two charts and then display the one with the largest scale, Chart B. As Ownship moves out of the area covered by Chart B, the Chart Manager will redisplay Chart A. If the display is in the Offset mode, the same chart selection logic applies. If the user selected offset point lies within the area covered by both Chart A and Chart B, the Chart Manager will display Chart B since it has the larger scale. Figure 3-9. AUTO vs. MAN Man - The purpose of the Manual Chart Selection Mode is to prevent Modes the Chart Manager from automatically loading a larger scale Chart when one becomes available. In this mode the Chart Manager always attempts to maintain current scale. For example, in Figure 3-9 when the Ownship moves into the area covered by both Charts A and B and the display is in the Center mode, the Chart Manager continues to display Chart A. Similarly, when an Offset point is chosen while in the MAN is selected, the Chart Manager offsets the chart if the user selected offset point is within the current chart boundaries (even if a larger scaled chart is available for that point) or if the offset point is outside current chart boundaries, the Chart Manager picks the chart in the portfolio which has the scale closest to the current scale. Lock - The LOCK button is used to “lock-in” the currently displayed chart. Placing the Chart Display Mode button in the LOCK position prevents the Chart Manager from selecting a different chart. Zooming and Offsetting are allowed in Locked mode. 3.3.3 Changing the Display Scale: Zooming The Z In (Zoom In), Z Out (Zoom Out) buttons are used to change chart scale and the Window button is used to change both chart scale and position. Zooming changes the chart display scale by a factor of ½. NOTE: The Z In, Z Out and Window buttons are not compatible with the Auto Chart Display Mode. When the Zoom or Window features are used while the AUTO button is selected, the Chart Manager changes Display Mode to MAN and then performs the rescaling. The label OVER next to the display scale on the Main Menu indicates that you have zoomed in at least once from the nominal scale. UNDER indicates that you have zoomed out at least once from the nominal scale. When

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a portfolio is loaded and the Zoom features are used, the next available chart will be selected when the current chart reaches its maximum display limits. 3.3.4 The Chart Information Window Prior to using the electronic charts, the latest official paper charts should be compared against the electronic charts. This is done using the CHART INFORMATION Window. NOTE: The paper charts used for comparison to the electronic charts in the chart portfolio should be from the same supplier. This is to ensure that the integrity of the chart is maintained. Select the Info button from the Main Menu to display the Chart Information window (see Figure 3-10). The Chart Information window will list the information in the following data categories for the selected electronic chart: C C C C C C C C C C C C C C C

the chart name the chart number the natural scale (scale the data was collected at) the edition date of the chart the date the chart was last updated the country the chart represents the projection of the chart the datum of the chart the offset of the chart so that it can be displayed in WGS-84 format the depth units of the chart the supplier of the chart the format of the chart the volume of the chart Last Notice to Mariners any special notes with regard to displaying the chart

Figure 3-10. Chart Information Window

3.4 DISPLAYING BRITISH ADMIRALTY ARCS CHARTS British Admiralty ARCS (Admiralty Raster Chart Service) Raster Format charts may be used with the VMSVT. These charts are official scanned versions of the UK Hydrographic Office’s (UKHO) paper charts. These charts are licensed and issued as a service of the UKHO. ARCS charts and ARCS chart updates are delivered on CD-ROMS. The VMS system must be properly configured by Sperry technicians in order to use ARCS charts. These configuration procedures are required by BA and include the installation of a security block on one of the VMS

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nodes and the designation of the node (usually the planning station) where the security permit floppy disk will be read. In order to display ARCS charts you need the following: C

The Permit Disk specific to the ship provided by the chart agent

C

The PIN number specific to the ship issued by Sperry Marine. NOTE: Permit Disks and PINs and are not transferable between ships.

C

A programmed security block attached to a VMS node.

C

A British Admiralty ARCS CD-ROM.

C

A British Admiralty ARCS Update CD-ROM (optional) NOTE: When using ARCS charts, an expiration date warning is presented 30 days prior to the expiration date of the permit. When this warning occurs, contact the supplier of the charts for a current permit number and disk.

3.4.1 The ARCS Security Sub-Menu The ARCS Menu is used to setup the VMS to display ARCS charts. To display the ARCS Menu: a. Select the System Menu button from any VMS node. b. From the System Menu, select the ARCS Security button. This displays the ARCS Menu (see Figure 3-11). The ARCS Menu contains the following buttons: Enter PIN - The PIN (supplied by Sperry Marine) is entered when first using ARCS charts. The PIN would have to be re-entered every time the computer is powered up. (In some VMS computers, the PIN was recorded during installation. In those cases, this step is unnecessary and the button is not active.)

Figure 3-11. ARCS Menu

Enter Permits - Allows you to type in a chart permit number which is supplied by the chart agent. This button is only used under special circumstances. Read Permits - Only used when the permits have expired or when the permits are first obtained from the chart agent. Allows you to read the permit from the floppy disk supplied by the chart agent. Clear Permits -

Allows expired permits to be purged from the system.

Backup Permits - Allows back-up Permit disks to be made.

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Display License - Displays who the charts are licensed to. Reset ARCS Data - This button is used to purge ARCS data that is cached by the VMS system. This data cache is used to speed the display of ARCS charts and should only be cleared if problems arise with displaying ARCS charts. 3.4.2 Entering Permit Number This procedure should be performed when first using ARCS charts, and whenever a new Permits Disk is received. a. Start all VMS-VT nodes. Verify that the VMS is running on each station. b. Insert the Permit Disk into the designated floppy drive (usually at the planning station). NOTE: The VMS system is configured such that ARCS Permits Disks must be read from the floppy drive at one particular VMS node. This node is usually the Planning Station. c.

Figure 3-12. ARCS Read Permits Window

Select Read Permits on the ARCS Menu. The ARCS Read Permits widow appears (see Figure 3-12).

d. Select ACCEPT. If the ARCS Security Block is installed and Permit disk is correct, the system will return to the ARCS Menu. If the Security block is not valid a window will indicate that the Security Block is not attached. Sperry Field engineering is required to attach the Security Block. If the Permit disk is not installed a window will be displayed stating could not access permit transfer . The proper Permit Disk is required for the ship.

Figure 3-13. Chart Permit Entry Sub-Menu

3.4.3 Entering Permit Number Manually Temporary permits may be issued by the chart agent and entered manually until the appropriate Permit Disk arrives. a. To manually enter a Permit, select Enter Permits from the ARCS Menu (see Figure 3-11). This displays the Enter Permit sub-menu (see Figure 3-13). b. Select the data entry box and enter the permit number. c.

Select Accept.

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3.4.4 Entering / Verifying PIN Number NOTE: In some systems, the PIN was automatically recorded during installation. In those cases, this procedure is unnecessary. This procedure should be performed when first using ARCS charts. Once the PIN Number has been entered, it should not have to be entered again. Entry of the PIN number should be verified if problems arise in displaying ARCS charts. a. To enter the PIN number for the ship, select Enter PIN from the ARCS Menu (see Figure 3-11). The ARCS PIN Entry Menu appears with vessel data (see Figure 3-14). NOTE: Under most circumstances it is unnecessary to reenter the PIN number. --OK-- is displayed in the Enter Pin data entry box if a valid PIN number has already been entered (see Figure 3-14). b. Click on the Enter PIN data entry box and type in the PIN number for the vessel. c.

Select Accept to complete the entry, or Cancel if the system contains a valid PIN.

3.4.5 Reading ARCS Charts Day to day operation of the VMS does not require entry of the PIN number and Permit data. To read a ARCS chart from the CD-ROM: a. Insert the CD-ROM into any system CD-ROM drive.

Figure 3-14. ARCS PIN Entry Sub-Menu

b. Insert the ARCS update CD-ROM into another system CD-ROM drive. ARCS charts are used like any other type of VMS compatible chart. To view a list of all available ARCS charts: a. Select the Chart button from the Main Menu. This displays the Portfolio menu. b. Select CHART CATALOG. All charts on the CD-ROM will be displayed in the chart catalog. The Chart Catalog has 3 columns of text. The chart type is indicated in left column (ARCS Charts are type BA). The center column indicates the chart number from the CD-ROM. The right column provides chart name and indicates the area of coverage for the chart. c.

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To select a specific chart scroll to the desired chart number and select the desired chart by touching the chart line. The chart selected will change to yellow. If a different chart is desired then re-select the desired

Operator’s Manual for the VMS-VT - February 1997

chart. After selecting the desired chart select the Accept button on the Portfolio Menu. The desired chart will be displayed in the main menu and the VMS main panel will be redisplayed. 3.4.6 Clearing Permits If you have difficulties in displaying ARCS charts at one or more VMS stations, clearing and re-entering the Permits may solve the problem. To clear the current Permits from the system: a. Select the Clear Permits button from the ARCS Menu (see Figure 3-11). The ARCS Clear Permits Verify window appears (see Figure 3-15). b. Select ACCEPT.

Figure 3-15. ARCS Clear Permits Verification Window

3.5 DISPLAY FEATURES 3.5.1 The Features Menu Selecting the Features button on the Main Menu displays the Features Menu (see Figure 3-16). The Features Menu is used to switch on or off various Display Features which control the presentation of information in the Chart Display Area. Display Features are controlled by buttons in the Features Menu that can be turned on or off. When the Features Menu window is first displayed, the button status boxes will be green with a white check mark for features that are presently ON. If you select one of these buttons, the status box will change to yellow with a white check mark indicating a pending-off status. This means the feature will be turned OFF if Accept is selected at the bottom of the window. If the pending-off button is selected again, the status box will revert back to green with a white check mark. If a feature is OFF, its status box is empty. Select the button and the status box changes to yellow with a black check mark to indicate pendingon. This means the feature will be turned ON if Accept is selected at the bottom of the window. If the pending-on button is selected again, the status box will revert back to empty. 3.5.1.1 Setting and Getting Defaults – The buttons grouped at the bottom of the Features Menu allow the operator to quickly reconfigure the display to one of several configurations. This is done as follows: Setting the Default Display - A default display configuration may be set by the operator and stored so that it is available at any time. Selecting the Set Defaults button will save a list of the display features that are currently ON to a file on the workstation hard drive. Applying the Default Display - The Get Defaults button is used to reconfigure the display features to the default settings

Figure 3-16. Features Menu

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saved by the operator. To apply the default setting select the Get Defaults button and then press the Accept button. 3.5.1.2 All Features On / Standard Display / All Features Off – Like the Set Defaults and Get Defaults buttons, these buttons allow the operator to quickly reconfigure the display to one of several saved configurations. All Features on

Selecting this button turns all the available display features on.

Standard Display

Selecting this button reconfigures the display to the standard features. For S57 charts this selection displays the base S57 chart data, as specified by ECDIS.

All Features off

Selecting this button turns of all features not defined to be part of the display base features as defined by ECDIS.

3.5.1.3 S57 Chart Features – The S57 Chart format allows many display feature options. Selecting the right arrow next to the S57 Charts button (see Figure 3-16) displays the menu of S57 charts features (see Figure 3-17). The scroll bar to the right of this menu may be used to view the entire list of S57 features. Unless otherwise specified, each S57 chart feature button is used to toggle a set of display symbols on or off. Symbolization - Either traditional or simplified maritime symbols can be displayed on S57 charts. Traditional symbols are those commonly found on paper charts. The simplified symbols have been created specifically for electronic chart displays and are part of the standard ECDIS presentation library. Display Text - This button allows the text that accompanies certain symbols on S57 charts to be toggled on or off. Display Failed Symbolization - Objects in an S57 chart file that the VMS is unable to recognize are defined as failed symbols. The VMS displays failed symbolization as a question mark. Figure 3-17. S57 Chart Features Number of Depth Shades - The number of depth shades may be set to Two or Four. When two shades are chosen, they will be used to color the areas inside and outside the Safety Contour. When S57 charts are used with the VMS, a Safety Contour is automatically established which displays safe and unsafe water areas in different colors. Generally, safe water is shown in shades of light grey and unsafe water in shades of blue. Unsafe water is defined as that with soundings less than the Safety Depth (see section 5.3). When Four depth shades are selected, two are used for shallow water and two for deep water. Shallow Contour Depth - Shallow water is defined as any water with a depth less than or equal to the Safety Depth. The Safety Depth is based on Ownship’s draft and defines the water depth necessary for safe

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navigation. Shallow water may be subdivided and displayed in two color shades by specifying a shallow contour. The depth of the shallow contour is entered in the Shallow Contour data entry box. The VMS software only allows depths greater than the Safety Depth to be entered here. Deep Contour Depth - Deep water is defined as any water with a depth greater than the Safety Depth. Deep water may be subdivided and displayed in two color shades by specifying a deep contour. The depth of the deep contour is entered in the Deep Contour data entry box. The VMS software only allows depths greater than the Safety Depth to be entered here. Display Shallow Pattern - This feature adds a pattern to shallow water areas to further differentiate shallow water from deep water. This feature is particularly useful with some of the night display color schemes. Display Shallow Soundings - This feature allows the numeric values for shallow soundings to be displayed. Shallow soundings are those that are less than or equal to the Safety Depth. Shallow soundings are displayed in dark (black) numerals. Display Deep Soundings - This feature allows the numeric values for deep soundings to be displayed. Deep soundings are those that are greater than the Safety Depth. Deep soundings are displayed in light (grey) numerals. Buoys, Beacons, Lights, and Signals - Controls the display of buoys, beacons, lights and signals. Major Coastal Feature - Controls the display of major coastal features such as rivers, lakes, dams, etc. Conspicuous Man-Made Features - Controls the display of conspicuous man-made features such as built up areas, tanks, towers, airports, etc. Other Man-Made Features - Controls the display of other man-made features not covered by the Conspicuous Man-Made Features button. Natural Features - Controls the display of natural features such as dunes, hills, contours and elevation, vegetation, etc. Port Features - Controls the display of port features such as harbor type, customs check points, berthing and mooring facilities, etc. Seabed Dangers - Controls the display of dangers under water such as rocks, wrecks, obstructions, etc.

Other Seabed Features - Controls the display of seabed features which are not a danger to Ownship navigation such as rocks, wrecks, obstructions, etc. Dangerous Depths and Currents - Controls the display of shallow water and dangerous currents. Other Depths and Currents - Controls the display of depths and currents which are not a danger to Ownship navigation such as dredged areas, intertidal areas, etc.

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Cautionary Areas - Controls the display of cautionary areas such as prohibited areas, minefields, military practice areas, seaplane landing areas, restricted areas, etc. Information and Protected Areas - Controls the display of information and protected areas such as fishing grounds, degaussing ranges, anchorage areas, anchorage prohibited areas, dumping grounds, nature reserves, animal sanctuaries, etc. Administrative Areas - Controls the display of administrative areas such as harbor areas, free port areas, customs zones, fishery zones, national territorial areas, etc. Ferry Routes - Controls the display of ferry routes. Standard Services - Controls the display of standard services such as pilot boarding points, signal stations, etc. Other Services - Controls the display of services such as radar stations, radio stations, coastguard and rescue stations, etc. Small Craft Facilities - Controls the display of small craft facilities. 3.5.1.4 Targets Features – If radar targets are being sent to the VMS they will be displayed as green or white squares with speed vectors, history dots, and names. The four separate Target buttons in the Features Menu are: Target Symbol, Target Vector, Target History and Target Name (see Figure 3-18). The vector, history and name can be turned ON and OFF individually, but all three are turned OFF automatically if the TARGET SYMBOL is turned OFF. The length of the target speed/course vectors is tied to the length of Ownship’s vector, which is controlled using the n min – button next to Vector on the Main Menu.

Figure 3-18. Target Features

3.5.1.5 Ownship Features – A ship outline is displayed on the chart display indicating Ownship position, heading, course, speed (through vector lengths) and history. The outline will represent the ship’s length and breadth unless the display scale is not large enough. When Zoomed out beyond the limiting scale a Ship Symbol Not To Scale message appears at the lower left corner of the chart display. The ship outline is green unless there is a detected loss of valid data from the selected position or heading source. The ship will turn red to help indicate such an alarm condition. The five separate Ownship buttons in the Features Menu are: Ship Outline, Ship Symbol, Heading Figure 3-19. Ownship Features 3-16

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Vector, Course Vector and Ship History (see Figure 3-19). The heading and course vectors and ship history can be turned ON and OFF individually. The system requires that either the Ship Outline or the Ship Symbol be selected at any given time. The length of the heading and course vectors are controlled using the n min – button next to Vector on the Main Menu. When the history feature is ON, the past eight hours of Ownship history from the selected position sensor are depicted graphically on the chart display. 3.5.1.6 Other Features – All Tracks - The ALL TRACKS button turns on Ownship position history tracks from all of the available position sensors. Each sensor track is displayed in a distinct color. Lat / Lon Grid - A green Lat / Lon grid is displayed with labeled parallels and meridians. An appropriate grid is automatically displayed based on the scale of the chart display. Like the other features, the grid can be turned ON or OFF using the button in the Features Menu window. Orientation Arrow - An orientation arrow is available for display in the upper lefthand corner of the Chart Display Area. The orientation arrow indicates true north. Radar Navlines - NAVLINES are a simple navigation chart created to represent traffic separation zones, channel boundaries, submerged obstructions, hazardous areas, coastal features, intended track lines, or some combination of such features. The RADAR NAVLINES displayed on the VMS are selected by first selecting NAVLINES from the Main Menu to display the Control Navlines sub-menu. A list of NAVLINES is displayed on this sub-menu. Select and ACCEPT the desired NAVLINES to see them on the VMS chart display. This action also sends the NAVLINES to any RASCARs in the system, which is why the feature is called RADAR NAVLINES. At the VMS these lines are displayed as solid blue lines to distinguish them from other lines contained in the electronic chart. The RADAR NAVLINES may be the same as the chart NAVLINES, in which case the RADAR NAVLINES will be displayed on top of the chart NAVLINES. The RADAR NAVLINES can be turned ON or OFF just like the other chart display features. See chapter nine for a complete explanation of NAVLINES. Guard Ring - This feature allows the Guard Ring display to be turned ON or OFF (see Chap 8). Voyage Plans - When a stored voyage plan is loaded, and/or a temporary plan is being executed, the plan track line will be displayed in a contrasting color. The WPT number, the next track bearing, and a graphic indication of the turn radius are included at waypoints. This feature can be turned ON and OFF in the same manner as the chart features mentioned above. Scale Bar - Selecting the SCALE BAR button displays a distance scale across the bottom of Chart Display Area. The units of the scale will match the those designated in using Units Menu feature System Menu. The Scale Bar is displayed only when the display scale is set larger than 1/80,000. Man Overboard - This button allows the man overboard symbol (OSCAR) and man overboard bearing line displays to be toggled ON or OFF. Anchorage - This button allows the concentric rings that make up the precision maneuvering display to be turned ON and OFF.

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3.6 CREATING AND EDITING PORTFOLIOS 3.6.1 Creating a Portfolio A portfolio electronically replicates the practice used with paper charts where the selected charts used on a voyage are organized in a drawer. These charts are then available to the navigator when the portfolio is active. To access the portfolio editor, select the System Menu button from the Main Menu. Select the Portfolio Editor button from the System Menu to display the Portfolio Editor overlay (Figure 3-20).

ARCHIVING/ INFORMATION AREA

Figure 3-20. Portfolio Editor (List Feature Selected)

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Figure 3-21. Portfolio Editor (Map Feature Selected) The portfolio editor is arranged into four functional areas: charts associated with the currently selected portfolio, the chart features selection area, the chart selection/information area, and the portfolio creation/deletion/information area. Also located across the top portion of the Portfolio Editor overlay is the supplier, index number, scale, and chart name fields, which define the selected charts and/or the charts loaded in the system. There are three different display screens for the portfolio editor. They are the Map, List, and Map & List displays. MAP - When the MAP display screen is selected (see Figure 3-21), a window is presented which allows the operator to see representations of the chart extents. The chart extents are drawn over a map of the area. The Features button in the center of the display is active, which allows the operator choose the All Charts feature. This feature displays all of the charts that are available in the system (charts of large scale are normally not displayed in the portfolio editor). Also associated with the Map display screen feature are five buttons (Zoom In, Zoom Out, Window, Offset, and World) which allow the operator to control the viewing capabilities of the maps when creating a portfolio. The World zoom scale zooms to 1:80 million. The maps are selected for inclusion into the portfolio by selecting them.

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Figure 3-22. Portfolio Editor (Map & List Features Selected) LIST - When the LIST display screen is selected (see Figure 3-20), a listing of all of the available charts is displayed in the lower portion of the screen. The listing of the charts includes the supplier, the index number supplied by the supplier, the scale of the chart, and the name of the chart. The list of suppliers of the charts is selected using the Suppliers button (located in the left of the center of the VMS display). MAP & LIST - When the MAP & LIST display screen is selected (see Figure 3-22), the system uses the features of the MAP and the LIST display screen features as described in the previous two paragraphs. 3.6.1.1 Entering Initial Portfolio Data – To create a new portfolio, select New Portfolio located in the archiving/information area of the Portfolio Editor (see Figure 3-20). This will clear the charts listed in the upper section of the display if an existing portfolio was previously loaded. Enter the portfolio data as follows: NOTE:

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If British Admiralty (BA) charts are to be used in the portfolio, they require a PIN number to un-encrypt them. Refer to section 3.4 for more information on this feature. First, select New Portfolio and select the blank data entry box below Description (see Figure 3-22). Use the on-screen or external keyboard to type in a description of the portfolio. Select the keyboard Accept or Enter key. The description will appear in the data box below Description. Next, select the suppliers of the charts that will be used in the portfolio. Press the Suppliers button. A menu list appears. Select the type of charts to be used. Selections such as BA (British Admiralty), DC (Sperry Marine Inc. Digitized Chart), NOAA or S57 will be presented. A green check box will indicate the selected chart type(s). Select the Accept button once the selection is complete (see Figure 3-23).

Figure 3-23. Suppliers Menu

Select Map (see Figure 3-21), LIST (see Figure 3-20), or Map & List (see Figure 3-22) as the method for selecting the charts that will be included in the chart portfolio. When using the map feature, the Features button is active. Press the Features button and select All Charts to display every chart available to the system (charts of large scale are normally not displayed in the portfolio editor). (see Figure 3-24). Figure 3-24. Features 3.6.2 Modifying an Existing Portfolio: Open Portfolio Menu To modify an existing portfolio, select Open Portfolio. Select one of the portfolio files from the listing (see Figure 3-25) and select Accept. When the portfolio is loaded, you have the option of adding a chart or deleting a chart. 3.6.3 ADD CHART The Add Chart button allows the selected charts which are available to the VMS to be added to the portfolio. 3.6.4 DELETE CHART The DEL CHART button allows the selected chart to be immediately removed from the chart portfolio when the button is pressed.

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Figure 3-25. Open Portfolio Menu 3.6.5 Saving a Modified Portfolio If you have modified a portfolio and wish to retain the portfolio in its original form as well as saving the portfolio with the modified data, save the portfolio with a different name. Otherwise, press the Save Portfolio button after all of the modifications to the portfolio have been made.

3.7 CREATING AND EDITING ELECTRONIC CHARTS 3.7.1 Introduction The Chart Digitizer (see Figure 3-26) is used onboard to create and/or edit the electronic charts used by the VMS-VT Navigation Station and Planning Station. The charts created by the VMS are vectorized as opposed to being scanned or bit mapped. This allows the charts to be created by, and/or corrected by the ship’s officers. To accomplish this task a digitizer pad is included at the VMS-VT Planning Station. The remainder of this chapter provides instructions for digitizing electronic charts.

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Figure 3-26. Chart Digitizer Overlay 3.7.2 Chart Alignment Consistency Checks The operator is required to select the four alignment points based on the following rules. C C C C

The first point entered must be at the left edge of the box formed by the four points. No three of the points should be in a line. No two of the points should be the same. The area enclosed by the four alignment points should include at least 60% of the chart area. NOTE: The VMS-VT Digitizer software checks the alignment points for some of the above procedural rules and for consistency with the digitized points.

In the discussion below, digitized points are the coordinates from the digitizer converted to Lat, Lon positions. The alignment points are the points chosen by Lat, Lon position on the setup menu. The projected points are the alignment positions, projected using the currently selected projection. The software tests that:

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The fourth digitized point is not the same as digitized point one, two or three. The fourth projected point is not the same as projected point one, two or three. The other points are checked as a result of further calculations.

C

The first three points are not on a line.

C

The first three projected points are used to solve for the fourth point using matrix operations. If the distance from the actual digitized point to the calculated point is less than or equal to 1 mm, the alignment is accepted.

If a failure occurs in the software consistency checks, an error will be reported and the operator will not be permitted to leave the setup menu. The errors reported are: C

Alignment Problem, Check Positions and Realign. This error appears if three points are on the same line.

C

Two or more alignment points are the same. This error is given if point 4 and any other point are coincident.

C

Alignment Error: xxxxx.x. Realign Carefully. (Where xxxxx.x is the actual error distance between the calculated point and the digitized point). This error is reported when the alignment tolerance of 1 mm has been exceeded.

3.7.3 Setting up a New Chart NOTE: If voyage plan waypoints are added using the chart digitizer, make sure that the chart placed on the digitizer is the same one used for display on the system. When digitizing a chart, it is important to select alignment points that represent good coverage of the area to be digitized. This is to help ensure the maximum possible accuracy of the digitization. First close any large display screen windows such as the Voyage Plan Editor by selecting the "-" box in the upper left corner of the display window. If a data entry menu such as the EBL or VRM menu is displayed touch Accept or Cancel. It is not necessary to stop a running voyage plan or to close small data windows such as EBL, VRM, or VP STATUS. Once the Main Menu is displayed, follow the steps outlined below to create a new chart. a. Select System Menu and then select Chart Digitizer. The Chart Digitizer overlay will be displayed (see Figure 3-26). b. Select New at the bottom of the Chart Digitizer menu area. Any chart which may have been displayed from previous chart editing work is cleared from the chart editing window, and the text display area labeled CHART will now be blank. The Setup Digitizer menu will appear (see Figure 3-27).

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Figure 3-27. Setup Digitizer Menu NOTE: When digitizing a chart, it is important that the operator select alignment points that represent good coverage of the area to be digitized. This is to help ensure the maximum possible accuracy of the digitization. c.

Place a paper chart on the digitizer table. You may want to add clear protective tape around the border of the chart to avoid tearing the chart when taping and un-taping it from the digitizer. The active area of the digitizer is marked by the four corner lines etched into the surface of the table. Smooth out any folds, and tape the chart securely in place on the active area of the digitizer table. Turn on the digitizer power supply now if it is not already on.

d. Refer to the paper chart to find the setup information required in steps e thru step h. Always use the Setup Digitizer menu to check the displayed chart parameters against the information listed on the paper chart. If the selections and values displayed in the menu area are correct there is no need to enter the data again. For steps e and f (projection and datum) only the choices presently supported by the VMS-VT will have active buttons. If the text on a button is dim rather than white the choice is not available.

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e.

Select the correct Projection now if it is not already selected. Projection choices will include: C C

f.

Mercator Transverse Mercator

Select the correct Datum now if it is not already selected. Table B-1 lists the datums currently used by the VMS-VT (see Appendix B). NOTE: If special notes about the datum is required, type any comments in the Other Datum data entry field.

g. Enter the Lat of Scale by selecting the Lat of Scale display field. Use the keyboard to type in the correct data. The displayed entry turns red for invalid or out of range values. h. Enter the chart scale by touching Scale display field. Use the keyboard to type in the correct chart scale. NOTE: If any known latitude and longitude offsets are required, enter the offsets in the Lat Offset and Lon Offset data entry fields. I.

Select four alignment points on the paper chart. These points will be used to align the paper chart with the digitizer table. It is best to use four points towards the corners of the chart. The four points need not form a perfect square or rectangle, and it is not necessary to choose points all the way in the corner of the chart. You will be able to digitize points outside the four alignment points, provided you stay on the active area of the digitizer pad (see step c). Use exact crossings of parallels and meridians when possible, to make the points easier to enter, mark, and digitize. The initial default center of the electronic chart will be centered inside the four alignment points. When the chart is saved the new default center will be centered inside all points actually digitized.

j.

Now enter the four selected alignment points in the latitude and longitude entry box adjacent to the number 1, 2, 3, and 4 legends. Touch the latitude displayed next to the number 1. Use the keyboard to type in the correct numbers. Touch the longitude displayed next to the number 1. Use the keyboard to type in the correct numbers. Repeat the procedure for points 2, 3, and 4. After making all eight entries and checking the displayed data, touch ALIGN ALL POINTS. The 1 label changes from white to yellow. This is your prompt to digitize point one. NOTE: Since the accuracy of the electronic chart depends on proper alignment, take care to digitize the points accurately and make sure the chart stays in place.

k. Use the digitizer puck to digitize each point. Position the puck cross-hairs exactly on point #1 on the paper chart and press the White button on the puck. The 1 changes from yellow to green when you digitize the point. The 2 changes from white to yellow. Use the puck to digitize point 2 and the 2 changes from yellow to green, and the 3 changes from white to yellow. Digitize points 3 and 4 in a similar manner until the 1, 2, 3, and 4 labels are all green.

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l.

If you wish to re-digitize one of the points before selecting Accept simply select the diamond to the right of the alignment point's displayed Lat & Lon. The corresponding alignment point number will change from green back to yellow. Use the puck to re-digitize the point. Touch Accept after all four points are digitized correctly. The menu changes to provide the control buttons for Mode Selection and Object Selection (see Figure 3-26).

3.7.4 Setting up an Existing Chart To edit a chart that is already loaded in the system follow the procedure for creating a new chart except after completing step b (select New to clear any previously loaded chart from the chart editor) perform the following:

Figure 3-28. Digitizer Puck

Figure 3-29. Chart Load Menu

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a. Select Open. A Chart Load menu is displayed (see Figure 3-29). This menu lists all of the charts loaded in the VMS-VT. A display box at the top of the list contains the name of the presently loaded chart. The loaded chart will also be designated by a green diamond where it appears in the list. (Since you selected New just prior to selecting Open any previously loaded chart has been cleared from the editor window. The box for displaying the chart name will be blank and the green diamond will not be displayed next to any chart in the list). Now select the chart you wish to edit and touch ACCEPT. b. The Chart Digitizer menu is displayed again, but now the name of the chart just loaded appears next to CHART in the lower part of the menu area, and the electronic chart is displayed to the left of the menu. c.

Proceed with step c of section 3.7.3. When performing step c, the paper chart taped to the digitizer pad must correspond with the chart just loaded in step a above. It is a good practice to back-up charts to disk before editing in case a mistake is made during the chart editing process (see section on File Management).

3.7.5 Digitizing If you have performed the steps outlined above, the paper chart is now aligned to the digitizer pad and you can begin the digitizing process. 3.7.5.1 Mode Selection – The three Mode Selection buttons are Add, Change, and Delete (see Figure 3-26). One of the three will be active (designated by a green diamond on the button). Touch the desired mode button and then make the desired Object selection. 3.7.5.2 Adding Objects – Six Object Selection Group buttons are located below the Mode Selection buttons. The selected object group button is designated by a green diamond. Data input fields and/or selection buttons are displayed below the Object selection buttons. These input fields and selection buttons allow for further definition of the object to be added to the chart (or the object to replace a designated object when in the Change mode). The choices available below the Object selection buttons will vary somewhat depending on the object selected. After making the selections as described above add the various objects to the electronic chart as follows: Areas - If you are adding Areas, choose from the seven displayed fill patterns, and the sixteen available colors. The present selection is designated by a green diamond on the button. Trace the outline of an area with the cross hairs of the digitizer puck, clicking the Digitize Point button repetitively. For an accurate representation of irregular coastlines move the puck slowly and click the button frequently. For a perfectly straight line one click of the button at each end of the line is sufficient. Use less than 255 points to define an area and click the Terminate Digitization/Area Fill button. When the button is clicked a line is drawn from the last point entered to the area start point and the resultant shape is filled in. To extend the area continue by starting slightly on top of the closed area and move out to define an additional section (using less than 255 points). This overlap method is used to avoid the appearance of fine gaps in areas which are meant to be solid and contiguous. The different types of areas will usually be defined by different colors. The deepest area of the chart should be added first. Then change the selected color and add the next deepest layer (maybe shoal area), then add marsh on top of the shoal area, and finally land on top of the marsh. Do not duplicate efforts on irregular shorelines. Do not, for instance, trace the land-side of the marsh in detail because such detail will be provided when the land is traced. When the land area is filled, it will cover the part of the marsh that extended under

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the land. With some practice you will learn the best techniques and strategies for adding areas accurately and efficiently. Planning ahead becomes automatic. Lines - To add Lines choose from four line types and sixteen colors. Digitize the point at the start of a line and trace along the line just as you do for drawing an area. Click the Terminate button to end the line. You can then move to a new location and start a new line, or make a new object selection. Navlines - To add Navlines choose from four line types and sixteen colors. Navlines are created in the same manner as lines, but will form a separate .NVL file when the chart is saved. The Navlines set can then be displayed independent of the displayed chart, and can be transferred to the RASCAR. (see Chapter 6). Symbols - To add Symbols choose from sixty-eight symbols and sixteen colors. The symbols are listed in Table B-2 (see Appendix B). Place the puck cross-hairs over the symbol on the paper chart and click the Digitize Point button. Depth - For Depth touch the Depth Input field, type the desired depth, touch Accept Depth, and choose from the sixteen colors. Place the puck cross-hairs over the depth on the paper chart and click the Digitize Point button. Label - For Labels touch the Label Input field, type the desired label, touch Accept Label, and choose the desired color. Place the puck cross-hairs over the desired location for the start of the label on the paper chart and click the Digitize Point button. 3.7.5.3 Changing Objects – - To change an object select the Change mode and select the Object group and type/color that you want to change to. Then place the puck cross-hairs on the object to be changed and select Digitize Point. The object will change to the color ivory on the Chart Editor chart display. If the intended item changes to ivory then select digitize again without moving the puck and the new item will replace the old one. If the wrong item changes to ivory select the Terminate button (the item changes back to normal color) and try again to designate the desired object to be changed. If an object is already ivory it will change to white when designated. 3.7.5.4 Deleting Objects – To delete an object select the Delete mode and select the object group of the item to be deleted. The color selection and specific area fill, line pattern, specific symbol, label text, or depth field are not important. Use the digitizer puck to digitize the object to be deleted. The Object will change color and wait for confirmation before being deleted. If the correct object has changed color select the Digitize Point button again without moving the puck. If the wrong item has been designated, select the Terminate button and try again to designate the correct object on the chart. Touch the blank area designated for the chart filename and use the keyboard to enter the desired chart filename. 3.7.6 Saving a Chart To save a new chart, touch Save as on the bottom right of the CHART DIGITIZER (see Figure 3-26). Enter the chart number via the keyboard and select Accept. To save an existing chart, touch Save and touch Accept.

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NOTICE, WARNING AND DISCLAIMER SPERRY MARINE’S VOYAGE MANAGEMENT SYSTEM AND ASSOCIATED NAVIGATION PRODUCTS INCLUDING THE ELECTRONIC CHART DISPLAY AND AUTOMATIC NAVIGATION AND TRACK KEEPING SYSTEM ARE AIDS TO SAFE MARINE NAVIGATION. ALL SUCH NAVIGATION AIDS ARE SUBJECT TO CERTAIN INACCURACIES AND DISCREPANCIES THAT, IF UNCONSIDERED, MAY RESULT IN A MARINE ACCIDENT OR INCIDENT, AND CONSEQUENT LOSS OF LIFE, VESSEL, CARGO AND ENVIRONMENTAL DAMAGE. ACCORDINGLY, THE MARINER WILL NOT RELY ON A SOLE NAVIGATION AID (INCLUDING SPERRY MARINE’S VOYAGE MANAGEMENT SYSTEM) FOR THE SAFE NAVIGATION OF THE VESSEL. THE PRUDENT MARINER WILL OBTAIN NAVIGATION INFORMATION FROM ADDITIONAL SOURCES, CROSSCHECKING

ALL

INFORMATION

FOR

ANY

INACCURACIES

OR

DISCREPANCIES WHILE DETERMINING THE VESSEL’S POSITION, COURSE, SPEED AND INTENDED TRACK.

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Chapter 4: VOYAGE PLANNING AND EXECUTION

4.1 INTRODUCTION This chapter covers the following topics: C

C

Voyage planning C Creating a stored voyage plan C Editing an existing plan C Great-Circle and Composite sailing Executing voyage plans C Advisory Mode vs. Nav Mode C Pilot control C Starting a voyage plan C Voyage plan summary display

4.2 VOYAGE PLANNING A voyage plan can be defined as a planned or intended track that the vessel will follow from a departure point to some destination or arrival point. Generally there are several course changes to be made at specific positions. The navigator usually marks these positions on a nautical chart or plotting sheet, and draws a course line between them. These course change positions are referred to as waypoints. A list of the waypoint positions in each voyage plan is often kept on the bridge for reference. Typical information included in the waypoint list includes: distance between waypoints, the course bearing from one waypoint to the next waypoint, the total distance gone and the total distance to go on the plan. Creating and executing electronic voyage plans is one of the most important functions of the VMS. There are two types of electronic voyage plans that can be created and executed by the VMS. The first type is stored voyage plans, usually referred to simply as voyage plans, created by using the VOYAGE PLAN EDITOR overlay. The second type is temporary plans which are created on the main chart display using the Temporary Plan sub-menu. NOTE: The paper charts as well as the electronic charts must be kept up to date with the information provided in the Notice to Mariners. Stored Voyage Plans - The Voyage Plan Editor is used to create, edit, and save stored voyage plans. The plans are stored on the hard drive of the VMS workstation(s) as files with a .VP extension, and can be copied to floppy disks as well. They can be reloaded any number of times for execution, or modification. When a stored voyage plan is stopped, it will remain displayed on the screen until it is cleared, or a different stored 4-1

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plan is loaded. In order to start a stored plan, a temporary plan containing an RTP (return-to-plan) waypoint must be used. A hard copy of a stored plan can be printed, if a printer is installed at the workstation. The stored voyage plans created at the VMS consists of waypoint positions, a displayed track line connecting the waypoints, displayed track bearing, estimated time of departure (ETD), estimated time of arrival at each waypoint (waypoint ETA’s), final estimated time of arrival (final ETA), planned speeds, turn rates, and displayed turn arcs at waypoints. When a plan is created, the bearing (BRG) from one waypoint to the next, the distance, and the estimated travel time are automatically calculated based on the positions and speeds entered by the operator. When the plan is saved, it can then be loaded and executed in Voyage Plan Mode. The VMS can send course orders to automatically keep the vessel on the track line (NAV Mode) or the plan can be executed in advisory mode. In either case the plan track line is displayed on the electronic chart, and the vessel’s progress is monitored with respect to the plan as described later in section 4.3. The Voyage Plan Editor can select a portfolio (see Chapter 3) which contains electronic charts. Upon acceptance of a specified Portfolio, the Voyage Plan Editor will have that portfolio assigned to the voyage plan file. Upon execution of the voyage plan, if there is an assigned portfolio, the charts used during the execution of the voyage plan will be automatically selected from the portfolio. Temporary Plans - Temporary plans, unlike stored voyage plans, are not saved to the workstation hard drive. They have no plan file name assigned, and cannot be printed. Temporary plans are created on the main chart display using the buttons on the Temporary Plan sub-menu. The waypoints in a temporary plan can be identified by their asterix (*) suffix. A temporary plan can be created and executed regardless of whether a stored voyage plan is loaded. If you stop a temporary plan it is immediately cleared from the display and cannot be recalled. A temporary plan with an “RTP” (Return To Plan) waypoint must be created in order to start a stored voyage plan. The procedure for creating and executing temporary plans is described in section 4.3.3.1. 4.2.1 Creating a Stored Voyage Plan Select the VP Editor button on the Main Menu to display the Voyage Plan Editor overlay (Figure 4-1). A waypoint data table is displayed across the top portion of the overlay. The Edit Plan sub-menu is displayed below the waypoint data on the right-hand side of the display. The VP Editor’s chart display is to the left, below the waypoint data table. A row of buttons along the bottom of the overlay is provided for selecting the VP Editor chart, and for controlling the scale and offset of the chart. The Center Wpt (center waypoint) button is used to center the selected waypoint on the displayed chart. A yellow outline around the data for one waypoint in the table indicates the presently selected waypoint. To change the selected waypoint simply point to the data for the desired waypoint, while the Edit Plan sub-menu is displayed. NOTE: The chart displayed in the Voyage Plan Editor overlay chart area is strictly for the purpose of planning the voyage. It is not used for monitoring the present navigation situation. Ownship and targets will not appear on the Voyage Plan Editor chart display. To check the present situation while editing a plan, select Reveal Chart near the top right corner of the display. When you are ready to continue editing the plan, select Overlays.

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Figure 4-1. Voyage Plan Editor Overlay 4.2.1.1 Entering Initial Plan Data – To create a new voyage plan, select New Plan on the Edit Plan submenu. This will clear the waypoint data table in case someone has left a plan loaded in the editor. Enter initial plan data as follows: First, select Description and select the blank data entry box below Enter Plan Description (see Figure 4-2). Use the on-screen or external keyboard to type in a description of the plan (optional, see note below). Select the Accept button. The description will appear in a data box next to Description above the waypoint data table.

NOTE: The plan description is optional. If no description is added, the plan filename will become the plan description. This can be beneficial, since each plan will then be known by only a single name. If a plan description is added, it should be very similar

Figure 4-2. Enter Plan Description Sub-Menu

Figure 4-3. Enter Local ETD Sub-Menu 4-3

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to the plan filename, or a list that cross references plan descriptions to plan filenames should be kept on the bridge. Printed copies of the plans can serve this purpose. Next, select ETD (estimated time of departure) to display the Enter Local ETD sub-menu (see Figure 43). Select the data entry boxes below Time (24 Hr), ZD, and Date (day/mo/yr). Use the keyboard to enter the appropriate data for each entry and select Accept. As you create the plan, the summary information under Plan Summary will be updated based on this ETD. NOTE: The ETD entered is used for planning purposes only. When the voyage plan is started, the actual plan start time becomes the recorded time of departure, and all estimated times of arrival (ETAs) are calculated accordingly. To associate a portfolio with the voyage plan, select Portfolio from the Voyage Plan Editor. This displays the Select Portfolio menu (see Figure 4-4). Select the portfolio that contains the charts to be used on the voyage, and select Accept. If a portfolio has not been created which contains the desired charts, create one using the procedures contained in Chapter 3. Select Chart at the bottom of the overlay screen to display all the charts available to the system (see Figure 4-5). Select an appropriate chart for voyage planning purposes, and select Accept. Use the chart offset control buttons on the bottom row of the overlay to display the desired area of the chart. Displaying the chart is essential when the Pos on Chart method is used to enter waypoint positions (Positions should be checked on an approved nautical paper chart). If waypoint positions will be entered strictly by typing in the Lat/Lon, then the displayed chart is useful as a graphic reference, but is not essential for creating the plan.

Figure 4-4. Select Portfolio SubMenu

NOTE: All charts loaded in the system will appear when the Chart button is selected. To see which charts are available in the portfolio, you must use the portfolio editor. Select the Dangers button to inquire what danger zones have been assigned to the chart in the associated portfolio. Refer to Chapter 5 for a explanation of danger zones.

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Figure 4-5. Voyage Plan Editor, Chart List Selected

4.2.1.2 Entering Data for the First Waypoint – To enter data for the first waypoint, select either Insert Waypoint Before, or Insert Waypoint After. The waypoint data entry menu is displayed (see Figure 4-6). Waypoint 1 data is shown in the waypoint table area at the top of the Voyage Plan Editor. Initially all values are zero except for the ETA data which is based on the planned ETD. The waypoint data entry menu includes the following data display boxes, data entry boxes, and control buttons: C C C C C C C C C C C

waypoint number display box, and waypoint name data entry box Waypoint Lat and Lon data entry boxes; Buttons to select either Great-Circle or Rhumb Line track; The Pos on Chart, Pos on Digitizer, and Setup Digitizer buttons; Notes button for adding notes for the current waypoint Data entry boxes for: planned Speed, planned Min. Speed, and planned Max. Speed; Data display boxes for ETA time and date (UTC) XTE Limit data entry box; Buttons to select either turn rate or turn radius for entering turn data; Data entry boxes for turn rate and turn radius; The Accept and Cancel buttons

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1. Name - Select the Waypoint Name field and type a name for the waypoint (this step is optional). 2. Position - Enter the waypoint position by completing either step 2a, 2b, or 2c.

Figure 4-6. VP Editor, Waypoint Data Entry Sub-Menu

NOTE: When the plan is executed, a temporary plan is used to define an RTP (return to plan) waypoint. This may be close to WPT 1, or it may be at any other point on the plan track. Therefore it will not be necessary for the vessel to be at, or even very close to waypoint #1 when the plan is started. The vessel will never actually pass through WPT 1, but will sail onto the plan track at the operator defined RTP waypoint. The procedure for starting and running the voyage plan is fully explained in section 4.3. 2a. Position (Keyboard Entry) – Select the Latitude field and type in the waypoint latitude, select the Longitude field and type in the waypoint longitude, or 2b. Position (Chart Entry) – Select Pos on Chart and move the cursor to the desired location on the displayed chart (notice the corresponding Lat/Lon displayed in the menu area). Lift your finger straight up from the screen, or release the device button to enter the waypoint position to the sub-menu. The waypoint is not

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displayed on the chart until you select Accept at the bottom of the waypoint data entry sub-menu. All waypoint positions can be modified before the plan is saved. 2c. Position (Digitizer Entry) – Select Setup Digitizer and setup the digitizer in accordance with Chapter 3. Select Pos on Digitizer and add the waypoints using the digitizer. The waypoint is not displayed on the chart until you select Accept at the bottom of the waypoint data entry sub-menu. All waypoint positions can be modified before the plan is saved. NOTE: The choices made for steps 3 - 8 will carry over to subsequent waypoints until deliberately changed. 3. — RL / — GC - Select either the CG (great-circle) or RL (rhumb line) button to select great-circle or rhumb line track to the next waypoint. After saving the next waypoint, a limiting latitude can be defined using the Limit Lat button. This allows the use of composite sailing. See section 4.2.3 for more details on using a great-circle track and composite sailing. 4. Speed Data - Select the Maximum Speed data entry box next to the label Max, and type in the planned maximum speed. When you are executing the plan, the VMS will display an operator message if Ownship speed exceeds this maximum speed value. Enter the planned speed to the next waypoint, and the planned minimum speed in turn. An operator message will be displayed if the ships speed falls below the planned minimum speed while executing the voyage. These speed values will carry over to subsequent waypoints, until you change the values using the waypoint data entry menu. The values entered for any waypoint apply for the plan leg from the waypoint listed at the top of the sub-menu, to the next waypoint in the plan. 5. XTE (Cross-Track Error) Limit - Select the XTE Limit data entry box and type in the desired cross-track error limit. If the vessel sails right or left of the plan track by a distance greater than the XTE limit the VMS issues an alarm. Once the alarm is acknowledged, it will not be issued again unless the vessel sails closer to the plan track to clear the alarm, then exceeds the limit again. NOTE: The displayed ETA information will be calculated when the waypoint is saved. 6. TURN PARAMETERS - There are two methods available for setting the desired turn rate at each waypoint; Turn Rate, and Turn Radius. Select the button for the desired method. Only the data entry box for the selected method can be used to enter turn data. Turn Rate - Select the — Turn Rate button, select the Turn Rate field and type in the planned turn rate in degrees per minute. The turn rate entered will result in a specific turn radius, based on the speed value entered. The calculated radius will be displayed after the waypoint is saved. The radius, or planned turn arc will be displayed on the chart when the next waypoint is saved. This curved line at the waypoint becomes the plan track. Cross-track error will be based on this line, and the VMS tries to steer on this track in Nav mode. The radius draw is speed dependant, so if the vessel’s actual speed is higher than the planned speed, the actual turn rate will need to be faster than the rate entered in order to stay on track. If the vessel’s actual speed is lower than the planned speed, the actual turn rate will need to be slower than the rate entered in order to stay on track. The radius drawn becomes the controlling factor when executing the plan.

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Operator’s Manual for the VMS-VT - February 1997 Turn Radius - Select the — Turn Radius button, select the Turn Radius field and type in the planned turn radius. Turn rate and radius are not used at waypoint 1, and will be displayed as “0" in the waypoint data table. This is due to the fact that the vessel never passes through waypoint 1, but will join the plan at the temporary RTP waypoint somewhere past waypoint 1. A default turn rate/radius is used for the RTP waypoint, unless changed by the operator using the Change Turn Radius button on the Temporary Plan sub-menu. 7. If any special information about the waypoints is required, select the Notes button to add notes for the associated waypoint. A data entry box will appear for entering notes. After the note has been entered, select the Accept the button to accept the note or select the Cancel button to discard the entered data. NOTE: Step 8 gives the procedure for loading a chart at a waypoint. The best way to load a chart is to associate a portfolio with the voyage plan. Upon execution of the Voyage Plan, the charts used during the execution of the Voyage Plan will be automatically selected from the portfolio. 8. Automatic Display of Charts - Charts from the associated portfolio will be displayed when reaching the associated waypoint. To enter waypoint 2, select Insert Waypoint After, and enter the position for waypoint 2. All other values will be carried forward from waypoint 1. Enter turn parameters for waypoint 2 if none were entered at the waypoint 1 sub-menu. The values entered will carry over to the next waypoint after waypoint 2 is accepted, and you select Insert Waypoint After. At this point the method for adding new waypoints and modifying or deleting existing waypoints is the same whether you are creating a new plan or editing an existing plan. The instructions in section 4.2.2 apply to both operations. After you have entered data for several waypoints, select Save or Save As. Select the data entry box under Enter Filename and use the keyboard to enter an eight-character (max.) Filename. Accept this filename on the sub-menu to save the plan. You may now continue editing the plan, and save the data periodically. When you are finished working on the plan save it again, and select Print if you want a hard copy of the plan. Then select New Plan to clear the plan from the overlay, and select the close button “-” to close the VP Editor. 9. After all of the waypoints have been entered for the Voyage Plan, select the Validate button to validate the voyage plan. If any problems exist with the voyage plan, correct the voyage plan in accordance with the messages presented on the display. 4.2.2 Editing an Existing Plan To modify an existing plan file select Open Plan. Select one of the Voyage Plan (.VP) files from the Load Voyage Plan sub-menu and select ACCEPT. When the plan is loaded, you have the option of adding, modifying, or deleting, waypoints. The editing functions which can be selected are: C 4-8

Insert Waypoint Before

Operator’s Manual for the VMS-VT - February 1997 C C C

Insert Waypoint After Modify Waypoint Delete Waypoint

4.2.2.1 Insert Waypoint Before – The Insert Waypoint Before button allows a waypoint to be added (inserted) to the voyage plan before any existing waypoint. (Insert Waypoint Before is also used to add the first waypoint of a new plan). With the Edit Plan sub-menu displayed, select the appropriate waypoint in the waypoint data table. Select Insert Waypoint Before to add a waypoint before the selected waypoint. Make selections from the waypoint data entry menu to enter position, speed, turn rate, etc. for the waypoint to be inserted. You may only need to change position data, if the other waypoint data from the previous waypoint is satisfactory. Select Accept and the waypoint table is updated with the new waypoint inserted at the designated location. The waypoint number for waypoints following the newly inserted waypoint are automatically updated. 4.2.2.2 Insert Waypoint after – The Insert Waypoint After button allows a waypoint to be added (inserted) to the plan after any existing waypoint. With the Edit Plan sub-menu displayed, select the appropriate waypoint in the waypoint data table. Select Insert Waypoint After to add a waypoint after the selected waypoint. Make selections from the waypoint data entry menu to enter position, speed, turn rate, etc. for the waypoint to be added. You may only need to change position data, if the other waypoint data from the previous waypoint is satisfactory. Select Accept and the waypoint table is updated with the new waypoint added at the designated location. 4.2.2.3 Modify Waypoint – The Modify Waypoint button allows a waypoint's data to be changed. The order of the waypoints cannot be changed with this function. Select the waypoint table to Select the desired waypoint as in Insert Waypoint Before and Insert Waypoint After. Make selections from the waypoint data entry menu to change the data as desired. Select Accept and the waypoint table is updated with the modified waypoint information. 4.2.2.4 Delete Waypoint – The Delete Waypoint button allows any waypoint in the plan to be deleted. Select the waypoint in the same manner as Modify Waypoint. The selected waypoint will be highlighted in the list of waypoints and the screen prompt will ask whether this is the correct waypoint to delete. Answer YES to delete, NO to leave the plan as it is. When a waypoint is deleted, the subsequent waypoints will automatically be renumbered. The range, bearing, and ETA for the affected waypoints will be automatically recalculated. 4.2.2.5 Saving a Modified Plan – If you have modified a plan, and wish to retain the plan in its original form as well as saving the plan with the modified data, select Save as. This allows you to save the new plan with a new filename. NOTE: Before using the Save As button, select the Description button and enter the new filename as the plan description, otherwise two different plans will have the same description. Select the data entry box under Enter Filename and use the keyboard to enter an eight-character (max.) filename. Accept this filename on the sub-menu to save the plan. You may now continue editing the plan, and save the data periodically. When you are finished working on the plan save it again, select Print if a hard copy of the plan is desired, then select New Plan to clear the plan from the overlay. Then select the close button “-” to close the VP Editor.

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4.2.3 Great-Circle and Composite Sailing To illustrate the use of the VP Editor’s Great Circle, and Limit Lat (composite sailing) features, let’s assume you want to create a voyage plan from a point off the coast of Southern California (S.W. USA) to a point near Yokogawa, Japan. Waypoint 1 is at 35 degs. North, 125 degs. West. Waypoint 2 is at 35 degs. North, 142 degs. East. Figure 4-7 shows the plan track from Wpt 1 to Wpt 2 if — RL is selected for Wpt 1. Notice the rhumb line distance of 4,584.1 NM and the track bearing of 270 degs. T. The plan has been saved under the filename CALYOK1.VP, and the description S. Cal-Yok. RL has been entered. Most likely the shorter great-circle track, or a composite sailing track would be used for this route. This rhumb line version of the plan can be saved as a reference to show the distance savings when a great-circle track or composite sailing is used. 4.2.3.1 Great Circle – Figure 4-8 shows the plan track if Modify Waypoint is used to change the track designation from — RL to — GC. Note the new distance of 4,387.1 NM, and a track bearing of 301.2 degs. T. This track bearing is the initial course to steer. In Nav mode the VMS will steer the ship based on the great-circle track. It is not necessary to approximate the great-circle by steering a series of rhumb line tracks, changing the course to steer approximately every 5 degrees of longitude. In Figure 4-9 the plan description has been changed to S. Cal-Yok GC using the Description button, and the Save As button was used to change the filename to CALYOK2.VP. In this manner, both versions of the plan are stored at the workstation to be recalled later as needed.

Figure 4-7. Plan Track Wpt #1 to Wpt#2, RL Selected

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Figure 4-8. Plan Track Wpt 1 to Wpt 2, GC Selected

Figure 4-9. Plan Description and Filename Changed

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4.2.3.2 Composite Sailing – After defining the great-circle track you may observe that it would take the vessel to a higher latitude than desired. When this happens you can enter a limiting latitude, and the VMS will calculate a new track using two new great-circle tracks below the limiting latitude, and a rhumb line track due East or West at the limiting Lat. From the Edit Plan sub-menu select Limit Lat, and select the data entry box below Enter Limiting Latitude. Use the keyboard to enter the desired limiting latitude, and select Accept on the submenu. If the great-circle track crosses the limiting latitude, the VMS will automatically insert two waypoints. In Figure 4-10, a limiting latitude of 42 degs. has been entered. A new Wpt 2 is inserted where the original greatcircle track first crosses the limiting latitude of 42 degrees. A new great-circle track is drawn from Wpt 1 to the new Wpt 2. A new Wpt 3 is inserted at the second point where the original great-circle track crosses the limiting latitude. A rhumb line track at a bearing 270 deg. T. is inserted from Wpt 2 to Wpt 3, and a new great-circle track is calculated and drawn from Wpt 3 to Wpt 4 (Yokogawa). The plan description has been changed to Limit Lat = 42N and the Save As button has been used to save the plan as CALYOK3.VP. As you can see from the illustrations, a plan with the same departure and arrival waypoints can be saved many times with different limiting latitudes, by using the Description and Save As button on the Edit Plans sub-menu. Don’t forget to change the plan description to avoid possible confusion when executing the plan.

Figure 4-10. Plan Modified Using Limiting Latitude Feature

4.3 EXECUTING VOYAGE PLANS

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CAUTION It is important to realize that Starting a Plan at any of the VMS workstations on the network will start the plan across the entire system, i.e. at every VMS station on the network. Executing voyage plans is one of the most important functions of the VMS. Before starting a voyage plan, read Chapters 1 and 2, and perform the initial start-up procedure outlined in Chapter 2. When you are comfortable with the user interface and have spent some time learning the menu layout you can use the system to create and execute a voyage plan. (Creating a stored voyage plan is covered in section 4.2). It is the operator's responsibility to make sure any plan started at the workstation is reasonable and safe. All stored plans should be reviewed by the appropriate ship's officer. Before starting the plan you should know whether or not your VMS includes an interface to the autopilot. The autopilot interface links the VMS to the autopilot. This link allows the operator to switch the autopilot to Nav mode and take control of the steering system via the VMS. Generally a Sperry Marine VMS-VT integrated bridge will include the Sperry Marine ADG 6000, or ADG 3000VT autopilot. This chapter covers the operation of a system which includes an interface to one of these Sperry autopilots. The VMS can control autopilots from other manufacturers, but there will be differences in pilot design and nomenclature. Although the procedure for executing a voyage plan will be similar, this manual does not cover the exact procedure for operating the VMS in Nav mode using non-Sperry autopilots. Refer to the separate operator's manual supplied by the autopilot manufacturer to learn how to set up the autopilot to accept heading orders from the VMS. For the remainder of this chapter the word "autopilot" refers to one of the Sperry Marine autopilots mentioned above. 4.3.1 Advisory Mode vs. Active Mode If the VMS includes an interface to the autopilot, there are two possible operating modes when executing either a stored voyage plan or a temporary plan. The two possible modes are, NAV and ADVISORY. The procedure for creating, editing, and loading a plan is the same regardless of the mode selected during plan execution. Starting a plan is also very similar in both modes. If an autopilot interface is not included, then Nav mode is not available since the VMS cannot send heading-to-steer commands to the autopilot. When both modes are available, the operator selects the operating mode while executing either type of plan, and may switch back and forth between the two modes without stopping the plan. The following sections describe Advisory and Nav mode, and point out the important differences between the two modes. 4.3.1.1 Advisory Mode – Advisory mode can be used while executing either a temporary, or a stored voyage plan, and is the normal operating mode when a plan is not being executed. In Advisory mode, the ship is steered from the autopilot, helm, or some other steering station separate from the VMS. You can start a plan and use the VMS to monitor your progress with respect to the plan track, but the VMS does not automatically adjust the heading order to keep the vessel on the track line. Operator messages will advise you when you are approaching a waypoint, but the turn must be initiated from a separate steering station. If your system includes an autopilot interface, you must select either Auto mode or Nav mode. A mode switch at the autopilot is used to switch between the two modes. Nav mode is normally used only when executing a plan. Advisory mode may be used while executing a plan, and is the normal mode of operation when a voyage plan is not being executed. It is important to know which mode is selected, since the method for changing the vessel's heading order is different for each mode. The operating mode is indicated in three ways at the VMS workstations. The three conditions listed below indicate that the VMS is in Advisory mode. This 4-13

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means the autopilot is not switched to Nav mode, but is in some other mode, such as AUTO, STBY, HELM, NFU or RMT. Three Advisory mode Indicators: 1. On the Main Menu - The Ordered Heading displayed on the Main Menu will be white (See Figure 4-11). In Advisory mode this white Ordered Heading is actually the present heading. In a system which includes an autopilot interface the heading data supplied to the autopilot by the gyrocompass is sent to the VMS using the VMS-autopilot interface. For systems without an autopilot interface, the heading data is sent to the VMS through a connection to the gyrocompass.

Figure 4-11. Ordered Heading White, Advisory Mode

2. On the Autopilot Control Sub-Menu - Select Pilot Control to display the Autopilot Control sub-menu (see Figure 4-12). The displayed Ordered Heading will be white, like the Ordered Heading on the Main Menu. Once again, this data is based on the present heading sent to the VMS and will match the heading data displayed below the Control Autopilot button. The status-box on the Control Autopilot button will be empty (no check-mark on a green background). This button is for indication purposes only. The operator cannot change modes by selecting the button. 3. In the VP STATUS Window - Select the V Plan button to display the Voyage Plan Control sub-menu. Select Plan Status to display the VP STATUS window (see Figure 4-13). Near the bottom of the window the mode is indicated beneath the label PILOT CONTROL. The word ADVISORY indicates that the VMS is presently operating in Advisory mode. Just above the PILOT CONTROL data, the PLAN STATE data indicates whether or not a plan is being executed.

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Figure 4-12. Autopilot Control Menu, Advisory Mode

Figure 4-13. Voyage Plan Status Window, Advisory Mode

4.3.1.2 Active Mode – The VMS is switched into Nav mode using the mode switch on the Autopilot. In Nav mode the autopilot takes its heading-to-steer commands from the VMS. Just before or just after starting a voyage plan, change the autopilot from AUTO to NAV mode. As soon as you switch the autopilot into Nav mode the VMS will begin sending heading orders to the steering system. If you start the plan first, then switch to Nav mode, the VMS will change the heading order gradually to acquire the plan track.

If you switch to Nav mode first, then start the plan, the actual heading at the instant the autopilot was switched to Nav mode becomes the VMS heading order until the plan is started. When the plan is started, the VMS will send the appropriate heading order, making the necessary adjustments to keep the vessel on the planned track line. If you fail to start a voyage plan, the operator message Autopilot Control with No Voyage Plan will be displayed after a short time interval. The time interval is configured at installation. 15 - 30 seconds is typical.

Figure 4-14. Operator Message 30 Seconds Before Planned Wheel-Over Point 4-15

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In Nav mode the VMS will provide messages when approaching waypoints and planned course changes, just as it does in Advisory mode. However, in Nav mode an additional operator message occurs 30 seconds before the planned wheel-over point (see Figure 4-14). If this course change message is accepted, the VMS will automatically initiate the turn at the wheel-over point and complete the planned course change. The VMS-VT can be configured during installation for two modes of operation for making course changes at the planned wheel-over point; either automatically or manually. Automatic course changes are required for DNV watch one. If the system is configured for automatic, the operator will be advised to approve the turn. If the turn is not approved, an alarm will be displayed and the turn will be made automatically. If the system is configured for manual operation and the course change message is not accepted before the vessel reaches the planned wheel-over point, the turn will not be made automatically. An operator message Turn Not Accepted is displayed, and the vessel follows a new track line which is automatically drawn at a bearing equal to Ownship heading at the time the wheel-over point was reached (see Figure 4-15). If a turn is not accepted and you wish to rejoin the loaded plan, there are two recommended methods. 1. To rejoin the plan without switching out of Nav mode, select TTMG on the Main Menu, and select Add RTP on the Temporary Plan sub-menu. Select the desired position for the RTP waypoint 1*, and select Accept.

2. Switch the autopilot out of Nav mode, and make the course change in AUTO or HELM mode. When the vessel is back on track, select TTMG on the Main Menu, select Add RTP on the Temporary Plan submenu, and select the desired position for the RTP waypoint 1*. Then select Accept and switch back to Nav mode.

Figure 4-15. Nav Mode, Turn Not Accepted

The graphic representation of the plan on the chart display includes curved track lines at course changes. In Nav mode the VMS will adjust the heading-to-steer commands automatically to keep the vessel on these curved track lines at the waypoints, as well as keeping the vessel on-track on straight plan legs. The radius of the curve at each waypoint depends on one of the following: C

The combination of the turn rate and speed entered when the plan was created,

C

The turn radius entered when the plan was created.

The XTE is based on the curved track displayed at the waypoint. In Nav mode the VMS will steer the vessel through the course change based on the displayed turn radius. If the vessel’s speed is less than the planned speed, the actual turn rate will be less than the rate shown in the VOYAGE PLAN EDITOR waypoint data table. Conversely, if the vessel’s speed is faster than the planned speed, the actual turn rate will need to be greater than

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the planned rate in order to stay on track. In other words, once a plan is saved, the graphically displayed turn radius at each waypoint becomes the controlling factor. When the plan is executed, the turn rate will match the plan data only if the vessel’s speed matches the planned speed. As stated in the previous section, the operator must choose between Nav and Advisory mode if an autopilot interface is included in the system. It is important to be able to determine quickly which mode is in effect, since the method for changing the vessel's heading order is different for each mode. The three conditions listed below indicate that the autopilot is switched to Nav mode, and the VMS is controlling the heading order. A voyage plan may or may not have been started, but generally Nav mode is used only for executing a voyage plan. In any case, all course changes must be initiated from the VMS workstation when in Nav mode. While executing a plan in Nav mode, the VMS will automatically make small adjustments in heading order to stay on the plan track line. Three Nav mode Indicators 1. Main Menu - The Ordered Heading displayed on the Main Menu will be GREEN (see Figure 4-16). This green Ordered Heading is the heading-to-steer command being sent to the autopilot from the VMS. The heading-to-steer command is also displayed at the autopilot, as COURSE ORDER, or ORDER, but the VMS is in control of these orders. You cannot use the autopilot's heading order knob to change the heading order when the autopilot is switched to Nav mode. 2.

Figure 4-16. Ordered Heading Green, Nav Mode

Autopilot Control - Select Pilot Control to display the Autopilot Control sub-menu (see Figure 4-17). The Ordered Heading will be green in Nav mode. This Ordered Heading is the heading-to-steer command sent to the autopilot from the VMS. This heading-to-steer command is also displayed at the autopilot, as COURSE ORDER, or ORDER, but the VMS is in control of these orders. The status box on the Control Autopilot button will be a green with a white check-mark. You cannot use the autopilot's heading order knob to change the heading order when the autopilot is switched to Nav mode. 3. VP Status Window - From the Main Menu, select V Plan to display the Voyage Plan Control submenu. Select Plan Status. Near the bottom of the VP STATUS window the mode is indicated beneath the label PILOT CONTROL (see Figure 4-18). The word ACTIVE indicates that Nav mode is in effect. NOT TRACKING may appear for a few seconds when the autopilot is first switched into Nav mode, but will quickly switch to ACTIVE.

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Figure 4-17. Autopilot Control Sub-Menu, Nav Mode

Figure 4-18. Voyage Plan Status Window, Nav Mode

If you continue to execute a plan in Nav mode, the pilot control will not switch back to NOT TRACKING unless the cross-track error exceeds a value which is configured in the software at installation. If the plan state does switch back to NOT TRACKING while executing a plan in Nav mode, either the track keeping XTE limit was set unreasonably low at installation, or there is a problem with the system’s track keeping capability. The value for the track keeping XTE limit can be set independently for each installed Track Controller Mode setting. Selecting a different gain set (see section 4.3.2) may offer a good temporary solution if the pilot control is switching to NOT TRACKING while in Nav mode. If the pilot control switches to NOT TRACKING a new temporary plan must created and accepted to resume normal operation in Nav mode. If you are executing a plan in Advisory mode and steer beyond the XTE track keeping limit, and then you switch to Nav mode, the pilot control will be NOT TRACKING and will not switch to ACTIVE. NOTE: It is very important to observe the PILOT CONTROL status and make sure it changes to ACTIVE each time you switch from advisory mode to Nav mode.

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NOTE: If the PILOT CONTROL is NOT TRACKING, a new temporary plan must be created and accepted in order to resume following the voyage plan. The VMS will not adjust the heading order to stay on track when the PILOT CONTROL is NOT TRACKING. 4.3.2 Pilot Control If your system does not include an autopilot interface, you will operate in Advisory mode only, and can skip this section on pilot control. The settings on the Autopilot Control sub-menu have no effect on the system when operating in Advisory mode. However if you will be operating in Nav mode, it is important that you have an understanding of the controls and displays on the Autopilot Control sub-menu. Select Pilot Control on the Main Menu to display the Autopilot Control sub-menu (see Figure 4-19). The main function of this sub-menu is to set a number of parameters to achieve the best possible track-keeping performance in Nav mode. At the top of the sub-menu the Ordered Heading is displayed. Below the Control Autopilot button, the actual Heading is displayed, along with the name of the selected heading source. When operating in Nav mode, the letters on the Control Autopilot button are dim, and the status box is green with a white check-mark. Below the button are several items under the heading Track-keeping Adjustments. These items allow the operator to adjust the VMS track-keeping performance to suit the present traffic conditions, weather, ship’s location, and position sensor performance. 4.3.2.1 Track Controller Mode – The button below the label Track Controller Mode displays the presently selected autopilot gain setting. Select this button to display a pop-up menu containing choices for autopilot gain (see Figure 4-20). If more than three gain sets have been installed use the scroll control on the right side of the pop-up menu to page down through the entire list of choices. Good track keeping performance in a variety of conditions can be achieved with three or more different gain sets.

Figure 4-19. Autopilot Control Sub-Menu

NOTE: Track Controller Mode labels vary from ship to ship. The autopilot gain sets are set up at installation and tested at sea trials to determine which settings provide the best results. The labels for these gain sets can be changed at installation, or later by a Sperry field engineer. Figure 4-20. Track Controller Pop-Up Menu 4-19

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Track Controller Mode settings automatically change when the sensors change from GPS to DGPS (for differential GPS). No operator adjustments are required. In Figure 4-20 the track Controller Mode has been set to Confined. The data displayed next to the CONFINED button (-0.4E) is the difference, in degrees, between the track bearing of the present leg and the ordered heading being sent to the autopilot from the VMS. The negative value means that the ordered heading is less than the track bearing. This indicates that the vessel is to the right of the plan track line, or there is a current pushing the vessel to starboard, which requires the corrective heading order to port. The track bearing is displayed next to BRG on the VP STATUS window. 4.3.2.2 Adjustment for S/D – Set and drift data is displayed below the track controller mode button next to the Set/Drift label (see Figure 4-19). The calculations for set & drift are performed internally in the computer. The display window is for informational purposes only. The selected set & drift source is displayed to the right of the data. The set & drift function is always on. The VMS uses the set & drift data from the selected source, and adjusts the heading order accordingly to stay on track. The data display to the right of the Adjustment for Set/Drift label shows the amount the heading order is, or would be adjusted due to set and drift. The VMS will steer onto the plan track. However, in the presence of a significant current, the vessel will acquire the track more quickly if an accurate set/drift sensor is selected. This is especially true during, and just after course changes. 4.3.2.3 Heading Order Limits – The Heading Order Limits label is located in the lower portion of the Autopilot Control sub-menu. The three boxes in this section contain data representing: C C C

The left, or port heading order limit The base heading The right, or starboard heading order limit.

There is a slider control just below this data for manually setting the base heading and the corresponding heading order limits. Select the left or right arrow to decrease or increase the base heading by 0.1 Figure 4-21. Heading Order degree. Select the scroll bar between the arrows to decrease or increase Limits Controls the base heading by any amount up to 20.0 degrees. When the base heading is changed, it is a pending change as indicated by the yellow data. The new base heading will go into effect if you select Accept on the sub-menu. If you select Cancel the old base heading remains in effect. Below the slider control is the label Max Hdg Ord Adj and a button displaying the presently selected maximum heading order adjust value. Selecting this button displays a pop-up menu of available settings. Select the desired setting and the change takes effect immediately. In Figure 4-21 the maximum heading order adjust value is set to 20°. This value represents a range of heading orders that the VMS can send to the autopilot, without requiring operator acknowledgment. If the VMS determines, based on the present cross-track error, that a heading order outside this range is needed to sail onto the plan track, an operator message Pilot to xxx° is issued at the VMS workstation, and AT ORDER LIMIT appears at the bottom of the VP STATUS window. As an example, let's assume the voyage plan NNS-DEL.VP is being executed in Nav mode. The vessel is on track heading toward WPT 8. The track bearing is 096.8E and the base heading is 096.8E (see Figure 4-22). 4-20

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The Approaching Turn to WPT 9 operator message is acknowledged three, four, five, or six minutes prior to reaching the wheel-over point (depending on the Approach Time set on the Voyage Plan Control sub-menu). The message Turn To WPT 9 hdg 069.4 | Cancel | Accept | Acknowledge | appears 30 seconds prior to wheel-over (see Figure 4-22). Accept this message so that the turn will be executed automatically at the wheelover point. When the turn begins the PLAN STATE changes to TURNING, and the base heading changes 069.4E, which is the track bearing from WPT 8 to WPT 9 (see Figure 4-23).

Figure 4-22. Operator Message Presented Prior to Reaching the Wheel-over Point

Figure 4-23. VP Status Window During a Turn

During the turn the data displayed next to the Track Controller Mode button is not the difference between the track bearing and the heading order, since the track bearing is actually changing constantly through the turn. The Max Hdg Order Adj amount is not active during the turn. When the course change at waypoint 8 is completed the PLAN STATE changes back to SAILING, and the Max Hdg Order Adj amount is activated. The track bearing and new base heading are both 069.4E. If the Max. Hdg. Order Adj. amount is set to 2E the VMS can order between 067.4E and 071.4E without any acknowledgment from the operator. Due to some external factors such as strong wind and current, the VMS may try to send a heading order outside of this allowable range. If this happens, an operator message with the VMS's suggested heading order will be displayed and AT ORDER LIMIT will be displayed in the VP STATUS window under PILOT CONTROL (see Figure 4-24). When this message appears there are two recommended courses of action as follows: 1. First determine that the VMS recommended heading order is safe, then select a higher value for the maximum heading order adjust (see Figure 4-25). When this higher Maximum Heading Order Adjustment value is accepted, the operator message will be cleared, without changing the base heading value. The VMS will be able to order the new heading, and any heading within the new limits. This

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method will result in less frequent operator messages, but will give the VMS a greater range of allowable heading orders. Once the XTE is near zero, the Max Hdg Order Adj value can be set back down to 2 degrees if desired. OR 2. First determine that the VMS recommended heading order is safe, then select Accept in the operator message window. The operator message is cleared, and the new heading order is sent to the autopilot. This new heading order also becomes the new base heading. More operator messages will occur as the vessel closes on the plan track and sends heading orders closer to the track bearing to the next waypoint. Figure 4-24. Operator Message Indicating If you are on track, and the performance from the Suggested Heading Order selected position sensor is good, the VMS can typically keep the vessel on track without reaching the maximum heading order adjust limit, even if it is set to 2 degrees. When operating in confined waters, you will probably want to manually accept all but the smallest automatic changes in heading order, before the orders are sent to the autopilot. In those situations 2 degrees is the appropriate setting for the maximum heading order adjust. In deep open waters with no traffic nearby, a larger maximum heading order adjust value may be appropriate. The larger values allow the VMS to make larger changes in heading order automatically, to stay on the plan track line. 4.3.3 Starting a Voyage Plan As mentioned in the chapter introduction, there are two types of voyage plans that can be executed at the VMS: stored voyage plans, and temporary plans. In order to start a stored voyage plan, a temporary plan must be used to define the intended track for joining the track line of the stored plan. The procedures for creating and starting both types of plans are covered below.

Figure 4-25. Resetting Max Hdg Ord Adj

4.3.3.1 Creating and Starting Temporary Plans: TTMG – NOTE: It is important to realize that starting a Plan at any of the VMS workstations on the network will start the plan across the entire system, i.e. at every VMS station on the network. A temporary plan consists of at least one temporary waypoint and at least one track line. The temporary plan can be used to join a stored plan which is loaded and displayed, or it can be created and executed independent of

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any stored plan. Select the TTMG button on the Main Menu to display the Temporary Plan sub-menu (see Figure 4-26). The following three buttons on the Temporary Plan sub-menu can be used to define temporary waypoint positions, and create the temporary plan track line(s): C C C

Add Waypoint Add RTP (Add return to Plan) Add TTMG (Add Track-to-make-good)

4.3.3.1.1 ADD TTMG (Track-to make-good) – The track to make good (TTMG) consists of a 500 mile track line at an operator defined bearing. Waypoint 1* is automatically placed at the end of the 500 mile track line. This type of temporary plan track can be created and executed regardless of whether a stored voyage plan has been loaded. A TTMG track can also be added onto the end of a temporary waypoint track before the temporary plan is accepted. In this case the waypoint at the end of the 500 mile long track will be some number greater than 1*.

Figure 4-26. Temporary Plan Sub-Menu

To create and execute a TTMG temporary plan, select TTMG on the Main Menu to display the Temporary Plan sub-menu (see Figure 4-26). Select Add TTMG, and point to a location on the display. A yellow TTMG track line is drawn from the Ownship symbol through the designated location on the screen. Hold your finger on the display, or hold down the device button, and slide the selected point on the display until the TTMG line represents the track you want to follow. If you want to change the turn radius select Change Turn Radius and select a point on the display near the bow of Ownship. Slide the selected point away from Ownship to increase the turn radius, and toward the bow of Ownship to decrease the turn radius to the minimum allowed. The minimum turn radius is configured in the software at installation. The TTMG can be used to set up a course change ahead of time. Select Accept when the yellow (pending) TTMG is displayed in the desired place on the chart. The TTMG line changes from yellow to MAGENTA. In Nav mode the VMS will send the necessary heading order to follow the TTMG line. On the VP STATUS window the PILOT CONTROL will be ACTIVE, and the PLAN STATE will be TURNING, and then SAILING. In Advisory mode you will have to adjust the heading order to follow the TTMG line. The PLAN STATE will be TURNING, then SAILING, and the PILOT CONTROL will be ADVISORY. 4.3.3.1.2 ADD Waypoint – To create and execute a temporary plan containing as many as 50 waypoints, select TTMG from the Main Menu to display the Temporary Plan sub-menu. Select Add Waypoint and select the desired waypoint location on the chart display. A yellow track line is drawn from the Ownship symbol to the selected point on the chart (waypoint 1*). Select Add Waypoint again and select the desired location for waypoint 2*. A second yellow track line is drawn between waypoints 1* and 2*. If you need to move waypoint 2* select Move Point and select the new location for waypoint 2 * on the chart display. Move Point can be used to move the location of the last temporary waypoint added to the plan (while the plan is still pending). If you want to back up to a previous point select Delete Entry. Continue in this manner adding as many as 50 waypoints. You can select Add TTMG and add a final 500 mile long plan

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leg if desired, or if an appropriate stored voyage plan is loaded you can select Add RTP and attach to the loaded plan after the last temporary waypoint. The temporary waypoint plan must be created in a reasonable manner, given the vessel’s turning characteristics. Temporary plans which would be impossible to execute will be automatically erased before they can be accepted. For instance, if Ownship passes the point where it would make the course change to execute the temporary plan, but you have not yet accepted the temporary plan, the yellow temporary plan will be cleared, and you will have to start over. When you are satisfied with the temporary waypoint plan you have created, select Accept. In Nav mode the VMS will send the necessary heading order to follow the temporary waypoint plan. On the VP STATUS window the PILOT CONTROL will be ACTIVE, and the PLAN STATE will be TURNING, and then SAILING. In Advisory mode you will have to adjust the heading order to follow the temporary waypoint plan. The PLAN STATE will be TURNING, then SAILING, and the PILOT CONTROL will be ADVISORY. 4.3.3.2 RTP Temporary Plan – An RTP (return-to-plan) temporary plan is one that includes an RTP point as the final temporary waypoint. To create and execute an RTP temporary plan you must first have a stored voyage plan loaded. Select V Plan to display the Voyage Plan Control sub-menu. Select Load Plan and select the desired plan from the Voyage Plan Load sub-menu. The plan will be displayed on the chart display. Then select Start Plan, or TTMG to display the Temporary Plan sub-menu. If you want to proceed directly to the displayed plan track line, select Add RTP and select the location of waypoint 1* on the track line. A yellow track line is drawn from Ownship to waypoint 1*. If you wish to create a temporary waypoint plan and then join the displayed voyage plan, you can use the Add Waypoint button to create as many as 50 temporary waypoints before using the Add RTP button to place the RTP waypoint on the displayed plan. When you have created a satisfactory plan, select Accept. The yellow plan line changes to magenta as you begin to execute the plan. In Nav mode, the VMS will send the necessary heading order to follow the RTP temporary plan. On the VP STATUS window the PILOT CONTROL will be ACTIVE, and the PLAN STATE will be TURNING, and then SAILING. In Advisory mode you will have to adjust the heading order to follow the RTP temporary plan. The PLAN STATE will be TURNING, then SAILING, and the PILOT CONTROL will be ADVISORY. 4.3.3.3 Starting a Stored Voyage Plan – 1. Select V Plan on the Main Menu. This displays the Voyage Plan Control sub-menu (see Figure 4-27). 2. Select Load Plan the button. Choose the desired voyage plan from the list displayed on the Voyage Plan Load sub-menu, and select Accept. The track line of the selected plan is displayed on the chart. Waypoint numbers are displayed and curved track lines are displayed to represent the planned track at waypoints. The Voyage Plan Control sub-menu is redisplayed. You should maneuver the vessel so that she can sail onto the plan track in a

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Figure 4-27. Voyage Plan Control Sub-Menu

Operator’s Manual for the VMS-VT - February 1997

reasonable manner. The system will not allow you to create a track for joining the plan track if the track is impossible to follow based on the ship's turn data. 3. Select Start Plan. The Temporary Plan sub-menu is displayed over the Main Menu, and the VP STATUS window is displayed in the chart display area. Use the move button in the upper right corner of the window to move the window to the lower part of the display (see the section on moving windows in Chapter 2). This prevents the VP STATUS window from being covered by the operator messages which will be displayed during the voyage plan execution. The buttons on the Temporary Plan sub-menu are used to create a track line that defines exactly how you will join the track line of the selected plan. This temporary plan will be cleared from the display when the vessel joins the track line of the selected voyage plan. 4. Using the Temporary Plan sub-menu you can add as many as 50 temporary waypoints and then add the RTP waypoint. If you are already close to the track line of the loaded voyage plan, you can simply select Add RTP and select the desired point on the track line for joining the selected plan. Let's assume for the remaining instruction on starting a stored voyage plan, that you are joining the plan using only the RTP temporary waypoint. If you are using a touchscreen, select Add RTP, then simply touch the display near the track line and slide back and forth along the line. The pending "return to plan" track is drawn based on where you touch the display. A temporary waypoint designated 1* will automatically be attached to the selected plan track. If you are using a trackball or mouse, select ADD RTP, then hold down one of the device buttons and use the ball to designate the location of the 1* waypoint and the RTP track line, and release the device button. The pending temporary plan track is displayed in yellow. 5. When a satisfactory pending temporary plan track is displayed, you can switch the autopilot to Nav mode (if available) and select Accept. The pending yellow track line changes to magenta. The VMS will take over and steer the vessel on the temporary plan track, and join the track line of the selected voyage plan at the RTP waypoint. Notice the data in the VP STATUS window. The WPT listed will be 1*, and the displayed TTG (time to go), DTG (distance to go), BRG (the true bearing of the track line), and the XTE (cross-track error) will be based on the 1* waypoint. The plan state will be TURNING, until the vessel steadies up on the temporary track line, then the plan state changes to SAILING. The autopilot control will be ACTIVE. If your system does not include an autopilot interface, or you choose not to switch the autopilot to Nav mode, the procedure is the same except that you must issue the heading orders from a separate steering station and the autopilot control will be ADVISORY. The temporary plan is cleared from the display when the vessel completes the turn at the RTP waypoint. 4.3.4 Voyage Plan Summary Display The Voyage Plan Summary displays static and dynamic information concerning a Voyage Plan (see Figure 4-28). The data displayed in the Voyage Plan Summary Display is selected based on the type of voyage plan running (stored voyage plan or temporary voyage plan). The Voyage Plan Summary Display summarizes the data for the active voyage plan. The summarized static and dynamic characteristics of the voyage plan consists of one display for viewing the overall plan data and the wheelover data for the pending waypoint. The Voyage Plan Summary Display is accessed when the Plan Summary button is selected on the Voyage Plan Control submenu (see Figure 4-27).

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Figure 4-28. Voyage Plan Summary Display

If a voyage plan is not loaded, only the data labels will be displayed on the Voyage Plan Summary Display. If a voyage plan is loaded but not running, the data listed in Table 4-1 will be displayed on the Voyage Plan Summary Display. Table 4-1. Voyage Plan Summary Data When a Voyage Plan is Not Running Item

Description

Waypoint List

This list contains the waypoints that comprise the loaded voyage plan. This list is identical to the list displayed when the same voyage plan is edited within the Voyage Plan Editor. This list is scrollable and an individual waypoint can be selected (highlighted) for ease of visibility.

Wpt Notes (Waypoint Notes)

The notes associated with the selected waypoint in the waypoint list are displayed.

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Table 4-1. Voyage Plan Summary Data Operator’sWhen Manual for thePlan VMS-VT February 1997 a Voyage is Not- Running Item

Description

Duration (Plan Duration)

The overall time of traversal of the plan is displayed. The time is expressed in days:hours:minutes:seconds format.

Distance (Plan Distance)

The overall distance of the plan is displayed in "long distance" units selected within the Units Menu.

WPTS (Number of Waypoints)

The number of waypoints in the plan.

STATE (Plan State)

The state of the voyage plan is displayed. Possible values are: IDLE SAILING

No Voyage Plan executing. Voyage Plan execution active - on a leg between waypoints. APPROACHING Voyage Plan execution active - approaching a waypoint turn. TURNING Voyage Plan execution active - executing a turn at waypoint. ENDING Voyage Plan execution active - approaching end-of-plan. FINISHED Voyage Plan execution completed - passed end-of-plan. If the plan is loaded, and not running, the state will be IDLE. PILOT CONTROL

The pilot control state of the plan is displayed. Possible values are: ADVISORY -

Voyage Plan execution active - not controlling autopilot because autopilot control is not selected or not available. NOT TRACKING Voyage Plan execution active - not controlling autopilot although autopilot control is selected (due to a position sensor failure or cross-track error is too large). ACTIVE Voyage Plan running - autopilot control is selected and active. AT ORDER LIMIT Voyage Plan running - autopilot control is selected and active. VMS would like to order a heading outside the currently accepted heading order band.

When a stored voyage plan is running and not a temporary plan, the data listed in Table 4-1 will apply. In addition, the information listed in Table 4-2 will be displayed on the Voyage Plan Summary Display. Table 4-2. Additional Data Displayed in the Voyage Plan Summary Display When a Voyage Plan is Running Item Distance (Distance Traveled)

Description The distance traveled from the initial waypoint is displayed in the "long distance" units selected within the Units Menu.

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Table 4-2. Additional Data Displayed in the Voyage Plan Summary Display When a Voyage Plan is Running Item

Description

TTG (Plan Time to Go)

The time to go (TTG) to the end of the plan is displayed. The time is expressed in days:hours:minutes:seconds format.

DTG (Plan Distance to Go)

The distance to go (DTG) to the end of the plan is displayed in the "long distance" units selected within the Units Menu.

GSpd (Ground Speed)

The speed over ground is displayed in units selected within the Units Menu. This speed is obtained from the ship's Ownship data object maintained within the system.

Spd of Adv (Speed of Advance)

The speed of advance obtained from the Speed Control processor is displayed in units selected within the Units Menu. The Speed Control function actual speed is used to obtain the speed. If the Speed Control function is not active, the speed of advance field will be blank. Refer to chapter 8 for more information for the Speed Control Interface.

Spd for ETA (Speed for ETA)

The speed required to meet the estimated time of arrival (ETA) is obtained from the Speed Control processor and is displayed in units selected within the Units Menu. The Speed Control function required speed is used to obtain the speed. If the Speed Control function is not active, the speed to meet ETA field will be blank. Refer to chapter 8 for more information on the Speed Control Interface.

ETA PLAN (UTC) (Planned ETA)

The planned ETA (the value is calculated based on predetermined plan values) is displayed in Universal Time Coordinated (UTC). Note that when a departure time is not supplied for a voyage plan, the departure time defaults to the system’s earliest time and date, causing the planned ETA to be the "duration" of the plan past the default start time.

ETA ACTUAL (UTC) (Actual ETA)

The actual ETA as supplied by Speed Control Interface is supplied in UTC. The Speed Control function estimated arrival is used to obtain the actual ETA. The Speed Control Interface must be active before obtaining the speed to meet ETA. If the Speed Control Interface is not available, the field will be blank. Refer to chapter 8 for more information on the Speed Control Interface.

WHEELOVER WPT

The waypoint number associated with the next wheelover is displayed.

WHEELOVER TTG

The time to go to the wheelover is displayed. The time is expressed in days:hours:minutes:seconds format.

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Table 4-2. Additional Data Displayed in the Voyage Plan Summary Display When a Voyage Plan is Running Item

Description

WHEELOVER DTG

The distance to go to the wheelover is displayed in the "long distance" units selected within the Units Menu.

WHEELOVER ETA

The ETA of the wheelover is displayed in UTC.

TRK BRG WPT (Track Bearing Waypoint)

The track bearing to the waypoint is displayed.

ROT (Rate of Turn)

The required rate of turn is displayed. The rate of turn is displayed in degrees/minute.

XTE (Cross Track Error)

The current cross track error is displayed in units selected within the Units Menu. Both "long distance" and "short distance" units are utilized. When the cross track error is less than 1 nautical mile (or equivalent) then the "short distance unit is utilized. Otherwise, the "long distance" unit is utilized. The side of the track (right or left) that the ship is on is also displayed.

When a temporary voyage plan is running, the following data will be displayed on the Voyage Plan Summary Display. C C C C C C C C C C C C

Waypoint List Waypoint Note Plan State Pilot Control Wheelover WPT Wheelover TTG Wheelover DTG Wheelover ETA Track Bearing WPT Rate of Turn Cross Track Error A green diamond Temporary Plan indicator will be displayed, indicating that a Temporary Plan is running.

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Chapter 5: SAFETY FEATURES 5.1 INTRODUCTION This chapter covers the following topics: C C

Safety Checking Using Electronic Charts The Position Discrepancy Alarm

5.2 SAFETY CHECKING USING ELECTRONICS CHARTS The VMS VT supports two similar but distinct types of safety checking. The first, S57 Safety Checking, is used exclusively with S57 charts and the second, Danger Area Safety Checking, may be used with any chart format. In both types of safety checking, the VMS constructs a “safety zone” around the ship and checks to ensure that the safety zone does not intersect with areas containing safety threats such as shallow water, obstructed heights, or operator established Danger Areas. 5.2.1 S57 Safety Checking The S57 chart format allows the VMS VT to greatly simplify and enhance its safety checking feature. In a content-rich vector format like S57, objects such as buoys, submerged objects and bridges are identified as such electronically. Depth soundings are also embedded in S57 charts. This wealth of information in S57 charts makes possible enhanced VMS safety checking. With the S57 format, it is possible for the VMS to query the electronic chart directly for potential safety threats. Prior to S57, the only way to establish a safety threat was for the operator to manually define a Danger Area on a chart (see discussion below). S57 Safety Checking works in much the same way as Danger Area Safety Checking. The VMS establishes a three dimensional safety zone around the ship (see Section 5.3 ) and then continually checks all S57 charts in the current portfolio for the intersection of the safety zone with areas of shallow water, height obstructions and other potentially hazardous objects. If any safety violation is found, the VMS VT will sound an alarm until acknowledged by the operator. 5.2.2 S57 Charts With World, General Or Coastal Scale Levels These charts are not checked for S57 content. However, it is still possible to add danger areas, and these can be safety checked. If the only charts in the portfolio are S57 charts (World, General or Coastal), and there are no danger areas present, you will notice the following: C

The VMS will alarm for a sailing ship. This is the ship position not covered by danger data alarm.

C

The running voyage plan will alarm with the chart does not include danger data for this plan leg.

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Operator’s Manual for the VMS-VT - February 1997 C

The Voyage Plan Editor will warn you on save or validation that there is no safety coverage for your voyage plan or leg.

5.2.3 Danger Area Safety Checking The VMS VT also allows the operator to establish “danger areas” on any electronic chart (including S57 charts). These danger areas can be used to indicate the whole range of hazards such as shallow water, floating, submerged, or overhead obstructions, traffic zones, etc. The safety checker will check for the intersection of danger areas with a two dimensional safety zone around the ship and along the path of the voyage plan (see Figure 5-1). The VMS VT constantly checks Ownship’s safety zone, which is extended for a specified lookahead time along the course vector for danger area violations. If any danger area violation is found, the VMS VT will sound an alarm until acknowledged by the operator, and will highlight the intersected danger area if the chart upon which it is located is being displayed. When checking for violations of the Ownship safety zone, all danger areas associated with all charts in the current portfolio which cover the safety zone will be checked.

Figure 5-1. Danger Zone and Associated Alarm 5.2.4 Safety Checker Features The following items are features of the safety checker: C

5-2

The values for Lookahead Time, Safety Depth and Safety Height are persistent and will be remembered between executions of the VMS. The operator may change them.

Operator’s Manual for the VMS-VT - February 1997

C

If the ship’s safety zone is not covered by any chart, or if the safety zone is not covered by some chart containing danger area data, the VMS VT shall continuously display an alarm for as long as such a situation persists. Once the alarm is acknowledged, it will remain on the alarm list.

C

The danger areas checked will be those associated with every chart in the current portfolio which covers a particular location. This is completely independent of which chart is currently being displayed.

C

When S57 charts are used with the VMS, a Safety Contour is automatically established which displays safe and unsafe water areas in different colors. Generally, safe water is shown in shades of light grey and unsafe water in shades of blue. Unsafe water is defined as that with soundings less than the Safety Depth value entered by the operator (see section 5.3). 2w w-ownship width

Figure 5-2. 2-D Representation of Ownship’s Safety Zone 5.2.5 Configuring The Safety Zone The safety zone for Ownship when it is under way is called the “course vector safety zone.” The course vector safety zone is defined as a three dimensional rectangular box bounded by parallel lines at a distance of Ownship’s width on either side of the course vector at the presently selected length (based on look-ahead time and present speed), shown in Figure 5-2. The safety zone includes the ship itself, and extends astern for a distance of one half of Ownship's width. The safety zone extends upward to a height above the waterline defined by the operator and downward below the waterline to a depth defined by the operator. If Ownship’s safety zone enters a Danger Area on any chart in the portfolio or encounters a object or shallow water on an S57 chart currently in the portfolio, an alarm will be activated until acknowledged by the operator.

To define the safety zone, perform the following steps: a. Select SYSTEM MENU button from the main menu. b. Select Safety Config button on the System Menu. This displays the Safety Config window (see Figure 5-3).

Figure 5-3. Safety Config Submenu 5-3

Operator’s Manual for the VMS-VT - February 1997

c.

In the Safety Config window, use the standard data entry boxes to set the Lookahead Time (in minutes) the Safety Depth (in meters) and the Safety Height (in meters).

d. After all the entries have been made, select the ACCEPT button to accept the data entries or select the CANCEL button to abort all data entries. The system will return to the Main Menu after either of these two buttons is selected. 5.2.6 Creating A Danger Area Danger areas are created for electronic charts using the VMS VT Chart Additions Editor. The danger areas are associated with the electronic chart from which they are made. All chart formats supported by the Chart Manager can have an associated set of danger areas. When a voyage plan is being created or edited, and when a voyage plan is running, the swath of the voyage plan is checked for the intersection of any danger areas. When the ship is under way, the VMS-VT constantly checks the safety zone around the ship. This safety zone is extended ahead along the course of the ship for a specified look ahead time, checking for the intersection with any danger area. To create a danger zone for an electronic chart, perform the following steps: NOTE: After the chart has been modified when using the Chart Additions Editor , press the Save button. All additions or deletions to the chart will be saved. NOTE: This option is only available on the planning station. a. Select SYSTEM Menu to access the Chart Additions Editor . b. Press the Chart Additions button. The CHART ADDITIONS EDITOR (see Figure 5-4) will appear. c.

Press the Chart button on the Chart Additions Editor in order to access a chart from the current portfolio.

d. Select the chart feature (Map, List, Map & List - see chapter 3) which will be used to select the chart for defining the danger area. e.

Press the Accept button when the desired chart is selected.

f.

Use the Zoom In, Zoom Out, Zm Window, Default Scale, or Offset Chart buttons at the bottom of the screen to position the chart in the chart display area of the editor.

g. Define the danger area as follows: 1. Press the Danger Area button. A green diamond will be present adjacent to the button. This will indicate that the feature is active.

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Figure 5-4. Chart Additions Editor 2. Press the Add button. A green diamond will be present adjacent to the Add button. The Enter Chart Location button text is white (not grayed out). 3. Enter a descriptive name for the danger area in the blank text area below the Descriptive/Text: legend. 4. Enter the location of the danger area using on the map using the Position on Chart method (Pos On Chart) of the Manual method as follows: (a) Position on Chart method: (1) Press the Enter Chart Location button. (2) The Latitude/Longitude window in Figure 5-5 will appear on the CHART ADDITIONS EDITOR. (3) Select Pos On Chart. A green diamond will appear adjacent to the legend.

Figure 5-5. Chart Additions Editor, LAT/LON Window 5-5

Operator’s Manual for the VMS-VT - February 1997

(4) Position the cursor at a location where the start of the danger area will begin. A dot will show the beginning point. Position the cursor to the second point for the danger area. A cross-hair will appear at the cursor’s position and a line will extend from the first point. (See Figure 5-6). At least three points are required for a danger area.

Figure 5-6. Two Points Shown When Creating A Danger Area

(5) Continue adding points to the chart to define the danger area. NOTE: If an error is made while adding the danger area points to the chart, press the Remove Last button to remove the last point from the chart. (6) After all the points have been added to the chart to define the danger area, press the Accept button. The danger area on the chart will enclose as shown in Figure 5-7. (7) Repeat steps (1) through (6) to add more danger areas to the chart.

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Figure 5-7. Danger Area Created Using the Chart Additions Editor (b) Manual method (1) Press the Enter Chart Location button. (2) The Longitude/Latitude window in Figure 5-5 will appear. (3) Select Manual. A green diamond will appear adjacent to the legend. (4) Select the Latitude window. Type in the latitude for the location where the danger area will start. Select the Longitude window. Type in the longitude for the location where the danger area will start. Select the Accept Point button. A dot will show the beginning point. (5) Repeat step (4) to continue adding points to define the danger areas on the chart. If the values inputted for the latitude and longitude are invalid, the value will turn red. NOTE: At least three points are required for a danger area.

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(6) Continue adding points to the chart to define the danger area. NOTE: If an error is made while adding the danger area points to the chart, press the Remove Last button to remove the last point from the chart. (7) After all the points have been added to the chart to define the danger area, press the Accept button. The danger area on the chart will enclose. (8) Repeat steps (1) through (7) to add more danger areas to the chart. h. Add a notation (text) to the chart as follows: (1) From the CHART ADDITIONS EDITOR, select the Chart Notation button. A green diamond will appear adjacent to the legend (Figure 5-8). (2) Select the Description/Text: entry box. Type in the descriptive data for the chart notation (see Figure 5-8). (3) Select Enter Chart Location button to define the location of the chart notation. (4) Select Pos On Chart or Manual to define the location of the chart notion. A dot will appear on the chart defining the location of the chart notation (see Figure 5-9).

Figure 5-8. Chart Additions Editor, Adding Chart Notation Text

(5) Press the Accept button to accept the location of the chart notation. The display returns to the Description/Text: entry window. (6) Press the Accept button to accept the location of the creation of the chart notation. An exclamation symbol will appear on the chart defining the location of the chart notation (see Figure 5-10).

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Figure 5-9. Chart Additions Editor, Defining Location of Chart Notation

Figure 5-10. Chart Notation Symbol Shown in the Chart Additions Editor

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5.2.7 Modifying A Danger Area Danger areas for electronic charts can be modified using the VMS VT CHART ADDITIONS EDITOR. To modify a danger zone for an electronic chart perform the following steps: a. Select Danger Area. A green diamond will appear next to the legend. b. Select the Change button. A green diamond will appear next to the legend. c.

Select the Select Object button. The text on the button will change from white to grey, indicating that the feature has been selected.

d. Select the dangerous area. The Spatial Query Window (see Figure 5-11) will appear, indicating the dangerous area has been located and is ready to be modified. e.

Press the Accept button on the Spatial Query Window. The dangerous area will enter the edit mode. (Only the outline of the area will be shown).

f.

Press the Enter Chart Location button to remove the last point on the chart or to add more points on the chart.

g. Select the Remove Last button to remove the last point or Select the Accept Point button to modify the location to the point being edited. h. Continue modifying the chart until the required dangerous area is defined.

Figure 5-11. Display Indicating Points Are Being Edited On The Danger Area

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5.2.8 Delete A Danger Area Danger areas for electronic charts can be deleted using the VMS VT CHART ADDITIONS EDITOR. To delete a danger zone for an electronic chart perform the following steps: a. Select Danger Area button. A green diamond will appear next to the legend. b. Select the Delete button. A green diamond will appear next to the legend. c.

Select the Select Object button. The text on the button will change from white to grey indicating that the feature has been selected.

d. Select the dangerous area. The Spatial Query Window will appear indicating the dangerous area has been located. e.

Press the Accept button on the Spatial Query Window . The dangerous area will be deleted. Once the danger area has been deleted, the chart should be saved.

5.2.9 Modifying A Chart Notation Chart notations for electronic charts can be modified using the VMS VT CHART ADDITIONS EDITOR. To modify a chart notation on an electronic chart perform the following steps: a. Select Chart Notation. A green diamond will appear next to the legend. b. Select the Change button. A green diamond will appear next to the legend. c.

Select the Select Object button. The text on the button will change from white to grey indicating that the feature has been selected.

d. Select the chart notation. The Spatial Query Window (see Figure 5-12) will appear indicating the chart annotation has been located and is ready to be modified. e.

Press the Accept button on the Spatial Query Window. The chart annotation will enter the edit mode.

f.

Modify the text accordingly. If the location of the chart notation is to be changed, proceed to step g.

g. Press the Enter Chart Location button to remove the last point on the chart or to add more points on the chart. h. Continue modifying the chart notation (using steps a through g) until complete.

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Figure 5-12. Chart Additions Editor - Chart Notation Being Edited 5.2.10 Delete A Chart Notation Chart notations for electronic charts can be deleted using the VMS VT CHART ADDITIONS EDITOR. To delete a chart notation on an electronic chart perform the following steps: a. Select Chart Notation. A green diamond will appear next to the legend. b. Select the Delete button. A green diamond will appear next to the legend. c.

Select the Select Object button. The text on the button will change from white to grey indicating that the feature has been selected.

d. Select the chart notation. The Spatial Query Window will appear, indicating the chart annotation has been located and is ready to be deleted. e.

Press the Accept button on the Spatial Query Window . The chart annotation will be deleted.

5.2.11 Voyage Plan Running Safety Checking The overall impact will be that the voyage plan and the actual ship's course will be checked for intersection with danger areas, and the operator will be warned if any intersection is found. The general process for safety checking will be that a safety zone will be checked for intersection with danger areas. For checking during voyage plan editing and voyage plan running, each “voyage plan leg safety zone” will be checked separately. The “voyage plan leg safety zone” is defined as the area bounded by parallel lines at a distance of the cross-track error limit plus one-half the Ownship’s width on either side of the voyage plan leg track line (see Figure 5-13). When any voyage plan, including a temporary voyage plan from temporary waypoints or a "return to plan", is running, 5-12

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each voyage plan leg will be checked for danger area violations as that leg is begun. If any violation is found, the operator will be notified, allowing him to make appropriate modifications to the voyage plan. When a voyage plan is running, as each leg of the voyage plan begins, the leg safety zone is checked for danger area violations. This checking is performed for temporary plans as well as for stored plans. If any danger area violation is found, an alarm shall be sounded by the VMS VT. When checking for violations of a leg safety zone, all danger areas associated with all charts in the current portfolio which cover the safety zone is checked. If a section of the leg is not covered by any chart, or if a section of the leg is not covered by a chart containing danger area data, an operator warning is announced. This warning persist until the vessel has passed the uncovered (and uncheckable) area. WPT 6

WPT 4

WPT 5

WPT 2 WPT 3

2 XTE max+ w

w=ownship width WPT 1

Figure 5-13. The Voyage Plan Swath 5.2.12 Voyage Plan Editing Safety Checking Voyage plan safety checking will only work when a portfolio made up of charts covered by danger data is attached to the voyage plan. It is possible to cover a chart with no danger areas by selecting the No Dangers Exist/Chart Covered button above the save button in the chart additions editor, and then saving the chart. This should be done for charts with no danger areas.

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During voyage plan editing (“route planning” in DNV and ECDIS parlance), the leg safety zones of the voyage plan being created (see definition above) are checked for danger area violations. When a voyage plan is saved, it will be automatically checked for danger area violations. If a danger area violation is found, the operator will be notified. The operator may choose to accept the voyage plan with violations, or may modify it to remove the violations. During voyage plan editing, the operator will be able to check individual legs for danger area violations. The operator will also be able to check the entire voyage plan at once. When checking for violations of a leg safety zone, all danger areas associated with all charts in the current portfolio which cover the safety zone shall be checked. If a section of the plan is not covered by any chart, or if the chart selected for that section does not contain danger area data, this shall cause an operator warning.

5.3 SAFETY CHECKING USING THE POSITION DISCREPANCY ALARM The VMS Position Discrepancy Alarm provides an early indication when the accuracy of any of the connected position sensors becomes suspect. The system continuously monitors the position data from all of the connected sensors to make sure that the difference between the position data from any two sensors is within the allowable range. Position discrepancy alarms are displayed at both the Navigation station and the Planning station, and are acknowledged in the same manner as other alarms. 5.3.1 Position Discrepancy Alarm Operation The allowable difference in position is internally configured for each sensor, and can be tailored to each installation according to the suite of position sensors. For example, in Figure 5-14, the system is configured with GPS 1 and GPS 2 each having a range of 100 Meters. Sensor L1 has a range of 1000 Meters. The sensors are in agreement as long as the following conditions are met: a. GPS 1 and GPS 2 measure a position within 100 Meters of each other. b. GPS 1 measures a position within 1000 Meters of L1. c.

GPS 2 measures a position within 1000 Meters of L1.

The situation shown in Figure 5-15 will trigger a discrepancy alarm:

Figure 5-14. All Sensor Data Within Range

a. GPS 1 and GPS 2 measure a position outside of the 100 Meter range of each other. b. GPS 1 measures a position outside of the 1000 Meter range of L1. c.

GPS 2 measures a position outside of the 1000 Meter range of L1.

This is the worst-case scenario. Since none of the sensor data agrees, it is impossible to determine if any of the sensors are functioning properly. In Figure 5-16 is the following situation:

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a. GPS 1 and GPS 2 measure a position outside of the 100 Meter range of each other. b. GPS 1 measures a position within the 1000 Meter range of L1. c.

GPS 2 measures a position outside of the 1000 Meter range of L1.

In this case it’s likely that sensors GPS 1 and L1 are functioning properly. 5.3.2 Performance “Fringe Areas” And Repeating Alarms It is possible that a particular alarm could become a nuisance as the difference in position data drifts in and out of the allowable range. This is most common when operating in fringe areas for Decca or Loran-C sensors. To eliminate the recurring alarm, you may temporarily turn off the sensor that is causing the alarm, and use other means to verify the accuracy of the selected position sensor. One "sensor timeout" or "loss of position data" alarm will occur after the sensor is turned off, but there will be no more repeating alarms. The sensor can be turned on again later, when better performance is expected based on the vessel's position or other factors. NOTE: Do not turn off a sensor if it is currently selected, as this will trigger an alarm. Select another sensor first at the Main Menu, then turn of the sensor causing the repeat alarm condition.

Figure 5-15. All Sensor Data Outside Range

Figure 5-16. GPS 2 Sensor Data Outside Range 5-15/(5-16 blank)

Operator’s Manual for the VMS-VT - February 1997

Chapter 6: RADAR INTERFACE 6.1 INTRODUCTION This chapter covers the following topics: C C C C C C

Overview NAVLINES Creating NAVLINE Charts Displaying NAVLINE Charts Transferring NAVLINES Charts Between the VMS and RASCAR Data Flow on the NAVLINES Interface

6.2 OVERVIEW Peripheral equipment for a VMS-VT will typically include at least two Sperry Marine RASCAR radars. Data is transferred between each RASCAR RADAR and the VMS using two different interfaces: NAVLINES, and Target Data Logging. The NAVLINES interface supports bidirectional communications, transferring position, heading, speed, and set and drift data on a periodic basis, and transferring NAVLINES charts between the VMS workstation and the RASCAR RADAR on operator demand. The Target Data Logging interface is used to transmit target data from the RASCAR’s ARPA to the VMS workstations. The target data is transferred in one direction: from the RASCAR to the VMS workstation. Each RASCAR in the system is normally connected to one VMS workstation. That workstation distributes the RADAR data over the network, making it available to all connected VMS workstations. The remainder of this chapter provides a description of the NAVLINES and Target Data Logging interfaces. Instructions for using NAVLINES and Target Data Logging at the VMS workstations are included. More detailed instructions for editing NAVLINES and using the Target Data Logging option are found in the RASCAR VT Operator’s Manual.

6.3 NAVLINES NAVLINES are a feature originally developed for use at the RASCAR display as an aid to RADAR navigation. The NAVLINES feature has been included in the VMS design so that NAVLINES can be created, stored, and displayed at both the RASCAR and the VMS. NAVLINES charts are simple navigation charts. The NAVLINES can be used to help identify traffic separation zones, channel boundaries, submerged obstructions, hazardous areas, coastal features, intended track lines, or some combination of such features. They are primarily intended for display on RASCARs, but they can

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also be displayed on VMS workstations. Each NAVLINES chart consists of a maximum of sixty line segments and up to four reference marks. The reference marks are displayed only on the RASCAR, where they are used to verify proper alignment with respect to RADAR return from fixed aids to navigation. In this chapter the term “NAVLINES” will be used when referring to: (1) the actual NAVLINES files as stored at the RASCARs and on the hard drive of the VMS workstations, (2) the lines comprising the NAVLINES chart when displayed, or (3) the interface between the VMS and the RASCAR via which both NAVLINES charts and navigation data are exchanged. The context should make clear which meaning is intended.

6.4 CREATING NAVLINES CHARTS NAVLINES charts can be created using the RASCAR RADAR or the digitizer at the VMS Planning Station. Each method is described in a separate section below. 6.4.1 Using the VMS Digitizer to Create NAVLINES Charts To create NAVLINES charts at the Planning Station, the Chart Editor function and the optional digitizer are used. Chapter 3 describes the procedure for setting up the digitizer to edit or create an electronic chart. NAVLINES can be added as one of six layers on the digitized electronic chart. When the chart editor is used to save the electronic chart containing NAVLINES, the NAVLINES are automatically saved as a feature of the electronic chart file, and also as a separate file on the Planning Stations’s hard drive. The NAVLINES will have a Lat/Lon reference based on the Chart Editor alignment process. The NAVLINES file will have the same filename as the chart, except that the extension will be .NVL instead of .CHT. If more than one set of NAVLINES for a particular area is desired, the operator can edit the chart for that area, adding and/or deleting NAVLINES as desired, then use the chart editor’s SAVE AS button to save the chart with a new filename. A new .NVL and a new .CHT file is created. The new .CHT files may be considered unnecessary since it is identical to the previous chart with the exception of the new NAVLINES. This “extra” chart can be deleted using the VMS File Manager. The new .NVL file, however, provides a different and useful set of NAVLINES which can be displayed at the VMS and the RASCAR. A practically unlimited number of NAVLINES charts can be made for any geographic area using this chart editing process. The ship’s navigators should agree on the types of NAVLINES charts that will be created and used for a particular harbor or coastal area. 6.4.2 Using the RASCAR Display to Create NAVLINES Charts The RASCAR provides three methods of creating NAVLINES charts: C Touch (On Screen) C Range/Bearing C Lat/Lon These three methods are described in the following paragraphs. 6-2

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6.4.2.1 Lat/Lon Method at the RASCAR – On a VMS equipped vessel, NAVLINES charts are usually constructed using the Lat/Lon method, since Lat/Lon NAVLINES will automatically lock into the correct geographic position using position data supplied by the VMS. Intended track lines are probably the easiest type of NAVLINES to create at the RASCAR when using the Lat/Lon method. When creating a set of Lat/Lon NAVLINES from scratch at the RASCAR, remember to define the chart origin and one reference mark first using the SET ORIGIN and SET REF MARK menu items on the RASCAR’s EDIT CHART sub-menu. The Lat/Lon method can also be used to edit a NAVLINES chart which was made using the VMS digitizer, and subsequently sent to the RASCAR from the VMS workstation. When this method is used, do not use the RASCAR to define the chart origin. When the NAVLINES chart is originally made using the digitizer, the origin and first reference marks are automatically added based on the alignment points of the electronic chart. It is important that the first reference mark is not deleted, since it is used to lock the NAVLINES in position using position data sent to the RASCAR from the VMS. It is often desirable to add three additional reference marks using the RASCAR. These additional reference marks can be added at the Lat/Lon of fixed aids to navigation, or distinctive coastal features which will provide good RADAR return. The marks can then be used to check the alignment of the NAVLINES, or align the NAVLINES if manual alignment of the chart becomes necessary. If lines and/or ref marks are added to a “VMS” NAVLINES chart at the RASCAR, the NAVLINES can be stored with a new name at the RASCAR. Use the RASCAR’s NAME CHART menu item on the “NAVLINES EDIT”sub-menu. Use 12 or less total characters in the name including a .NVL extension. Do not include spaces in the name. The modified NAVLINES can then be sent to the VMS for backup storage. The new NAVLINES can also be selected at the VMS, and the lines that were added at the RASCAR will be displayed on the VMS. Reference marks and the Origin point are not displayed at the VMS. Refer to the RASCAR Operator’s Manual for more details. 6.4.2.2 Touch and Range/Bearing Method at the RASCAR – The Touch and Range/Bearing methods will produce NAVLINES charts without a Lat/Lon reference. They are sometimes used at the RASCAR with the map fixed to SHIP instead of GROUND. For instance, a vessel sailing in a convoy with other vessels might use a NAVLINES chart constructed using the range/bearing method fixed to SHIP so that the position of other vessels in the convoy can be constantly monitored. The important point to realize is that NAVLINES created by the range/bearing or touch method will not automatically lock into the correct geographic position based on position data supplied by the VMS. However, if a NAVLINES chart has already been constructed with a Lat/Lon reference, the Touch or Range/Bearing method may be used to add lines and/or marks to the NAVLINES chart, and these NAVLINES will lock into position using position input from the VMS.

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6.5 DISPLAYING NAVLINES CHARTS NAVLINES charts may be displayed at both VMS VT workstations and at RASCAR RADAR displays. The following paragraphs discuss both of these functions. 6.5.1 Displaying NAVLINES at the RASCAR From MENU 1 at the RASCAR display, make the following selections to display a NAVLINES chart: a. b. c. d. e. f. g.

Select MENU 2. Select NAVLINES. Select SELECT CHART. Highlight the desired chart from the displayed list. Select EXIT. Select DISPLAY CHART. Select the NAVLINES ON/OFF menu item until ON is highlighted (this may be done first).

6.5.2 Automatic Alignment of the NAVLINES Chart at the RASCAR You must have a NAVLINES chart with a Lat/Lon reference to utilize automatic alignment based on position data from the VMS. Before or after performing the steps for displaying the NAVLINES at the RASCAR, do the following: a. Select FIX MAP GROUND/SHIP until GROUND is highlighted. The vessel’s position must be within 127 nmi of the NAVLINES chart before it will lock into position. Until the vessel is within range, the NAVLINES will be displayed in the FIX MAP SHIP position, regardless of the selected setting. If GROUND is selected, the NAVLINES will shift automatically when the vessel is close enough to the NAVLINES chart. NOTE: Do Not acquire a Navmark if automatic alignment of the NAVLINES is desired! When a Navmark is being tracked, the NAVLINES must be periodically aligned manually at the RASCAR.

6.5.3 Manual Alignment of NAVLINES at the RASCAR If position data is not available from the VMS, or if the NAVLINES chart has no Lat/Lon reference, the NAVLINES can be manually aligned at the RASCAR using the ALIGN CHART menu item on the NAVLINES sub-menu. Aligning the chart is much easier if reference marks have been added at fixed aids to navigation, or other distinctive coastal features, as mentioned in section 6.4.2 above. If the RASCAR is still receiving position data from the VMS, manual alignment will not be possible for a Lat/Lon chart, unless a Navmark is acquired. A Navmark is a stationary RADAR target which can be acquired and tracked using the Navmark Acquisition symbol on the RADAR. Up to four Navmarks can be acquired and tracked. It is up to the operator to choose stationary targets, such as large fixed aids to navigation. Acquiring and tracking stationary Navmarks will help to keep the NAVLINES from drifting out of place when automatic alignment is not available. Again, Do Not acquire a Navmark if automatic alignment of the NAVLINES is desired! 6-4

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6.5.4 Displaying NAVLINES at VMS Workstations NAVLINES charts are displayed at the VMS workstations in two different ways: C As one layer of the displayed electronic chart C As “Radar NAVLINES” which are displayed at both the VMS and the RASCAR(s) 6.5.4.1 Displaying the NAVLINES Layer of an Electronic Chart (.CHT File) – NAVLINES can be displayed as the NAVLINES feature of the displayed electronic chart. To display NAVLINES in this manner, do the following: a. Load and display a chart at the VMS. b. Use the FEATURES button and make sure that all features are on. If NAVLINES were added to the chart when it was digitized, the NAVLINES will be displayed along with the other chart features. The color and line style of the NAVLINES will depend on the color and style selected when the chart was digitized. c.

To distinguish the NAVLINES from other lines on the chart, select the FEATURES button again, and turn all features off except the NAVLINES, or at least turn off LINES and RADAR NAVLINES. The NAVLINES displayed in this manner are part of the .CHT file. They are available to be sent to the RASCAR for display only if they are stored as a .NVL file on the workstation’s hard drive.

6.5.4.2 Displaying “Radar” NAVLINES from a .NVL file at the VMS – To display the NAVLINES as “Radar NAVLINES,” do the following: a. Make sure that the feature Radar NAVLINES is on in the Features Menu window. b. Select the NAVLINES button on the main menu of the VMS workstation. c. Select and ACCEPT a .NVL file from the Control Navlines sub-menu. The selected NAVLINES chart will be sent to every VMS workstation on the network, and to all connected RASCAR displays. The NAVLINES chart will be displayed at the VMS workstations, provided the chart feature RADAR NAVLINES is on. They will be displayed at the RASCAR, provided NAVLINES are ON, and AUTO DISPLAY is ON a. Select MENU 2, NAVLINES, EXTERNAL CHART and select AUTO DISPLAY until ON is highlighted). The NAVLINES selected at the VMS in this manner will appear as solid blue lines at the VMS workstations, regardless of the line style used when the NAVLINES were created. Reference marks and the origin point are not displayed on the VMS. NAVLINES must have a Lat/Lon reference to be displayed at the VMS. The RADAR NAVLINES selected and displayed may be the same as the NAVLINES layer of the electronic chart, in which case the RADAR NAVLINES will be displayed on top of the electronic chart NAVLINES when both features are on. Different RADAR NAVLINES for the same geographic area may also be displayed, in which case both the chart NAVLINES, and the “Radar” NAVLINES will be seen as separate lines on the VMS display. 6-5

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6.6 TRANSFERRING NAVLINES CHARTS BETWEEN THE VMS AND RASCAR NAVLINES charts can be transferred either from a VMS workstation to a RASCAR display, or from a RASCAR to the VMS. The operations required for transfer in each direction are different, and are described in separate sections. 6.6.1 Sending NAVLINES Charts from the VMS VT to the RASCAR To send NAVLINES from the VMS to the RASCAR, do the following: a. Select NAVLINES on the main menu of any of the VMS workstations. b. Then select the desired NAVLINES from the Control Navline sub-menu. The NAVLINES are automatically sent to the RASCAR(s) when the “Control” NAVLINES are ACCEPTed at the VMS. The RASCAR’s External Chart settings will determine how the NAVLINES are handled when they are received at the RASCAR. NOTE: It may take up to 20 seconds for the RASCAR to receive the NAVLINES, depending on the amount of navigational data being processed at the time.

6.6.2 Sending NAVLINES Charts from the RASCAR to the VMS VT NAVLINES charts can be sent from the RASCAR to the VMS for backup storage and for display. This is particularly useful after the RASCAR has been used to modify or enhance a NAVLINES chart created at the VMS. NOTE: Don’t forget to rename these modified NAVLINES at the RASCAR before transferring them to the VMS if you wish to retain the original NAVLINES file at the VMS!

To transfer NAVLINES from the RASCAR to the VMS, do the following: a. Select MENU 2, NAVLINES, SELECT CHART. b. Highlight the desired chart, then select EXIT, DISPLAY CHART. c. Select EXTERNAL CHART, and TRANSFER CHART. A chart sent in this manner will not be automatically displayed at the VMS, but the chart will now be available on the Control Navline sub-menu. It can then be selected and displayed at the VMS if desired, provided it is a NAVLINES chart with a Lat/Lon reference.

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Selecting the NAVLINES from the Control Navline sub-menu will also send the NAVLINES to every connected RASCAR as described in section 6.5.1. Using this transfer procedure, NAVLINES that have been created or edited at RASCAR #1 can be sent to all connected RASCARs by first sending the NAVLINES to the VMS workstation connected to RASCAR #1. A NAVLINES chart created at the RASCAR without a Lat/Lon reference can be sent to the VMS for backup storage. It will appear on the Control Navline sub-menu, and if selected from the sub-menu, it will be transferred to all the connected RASCARs in the system, but it cannot be displayed on the VMS.

6.7 DATA FLOW ON THE NAVLINES INTERFACE As mentioned in the chapter introduction, the NAVLINES interface is used to transfer navigational data between the VMS and the RASCAR, in addition to transferring the actual NAVLINES charts. This information flow, which includes Ownship’s heading, speed, position, and set and drift, is described below: 6.7.1 Heading RASCAR sends heading data directly to the VMS VT to which it is physically connected, and that VMS then distributes this data via the network. If HEADING is selected at the VMS’ Main Menu, the RASCAR(s) will usually be listed as a source of heading data. During turns the heading data from the RASCAR will lag somewhat, so use the RASCAR as a heading source only if data from the Gyrocompass is not available. (The RASCAR(s) receives heading data directly from the compass as required by SOLAS regulations). 6.7.2 Water Speed (Speed Through the Water) RASCAR sends speed data to the VMS. If you select W SPEED at the VMS, you will probably see the RASCAR(s) listed as a source of water speed data. While Speed Log is normally the first choice for water speed data at the VMS, the RASCAR(s) provides a good alternate source. The RASCAR receives water speed data directly from a speed log. 6.7.3 Position The RASCAR always receives position data from the VMS, based on the selected position source at the VMS. This position data is displayed at the bottom of the RASCAR’s OWN SHIP sub-menu. In addition, when a NAVLINES chart with a Lat/Lon reference is displayed at the RASCAR and one or more Navmarks have been acquired, the RASCAR becomes an independent position sensor supplying geographic position to the VMS. The RASCAR uses the range and bearing to the known Lat/Lon reference mark in the NAVLINES chart to calculate the vessel’s position in Lat/Lon. It is up to the operator to monitor the alignment of the NAVLINES at the RASCAR display, and to use ALIGN CHART as needed to properly align the NAVLINES. The accuracy of the position data from the RADAR depends on proper alignment of the NAVLINES. If an accurate NAVLINES chart is properly aligned, and at least one Navmark is in track, the RASCAR can be used as a backup source for position data at the VMS.

6.7.4 Set & Drift Data RASCAR will send set and drift data to the VMS if at least one Navmark is acquired. Refer to the RASCAR Operators Manual for further details.

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6.8 TARGET DATA LOGGING The Target Data Logging interface enables the RASCAR to send data on its acquired targets to the VMS. After some initial menu selections are made at the RASCAR, all ARPA targets tracked at the RASCAR will automatically be displayed at the VMS. Additional numeric data concerning the targets can be displayed on the VMS Target Data window. 6.8.1 Displaying Target Symbols on the VMS 6.8.1.1 At the VMS – Do the following: a. Check the Features Menu window to make sure that the TARGET SYMBOLS are turned on. TARGET VECTORS and TARGET HISTORY may be on or off as desired. These two chart features are automatically turned off when TARGET SYMBOL is turned off. 6.8.1.2 At the RASCAR display – Perform the following steps: a. Select MENU 2, TARGET DATA LOGGING. If the A next to PORT 1: is highlighted already, then the feature is on. b. If the A next to PORT 1: is not highlighted, select SET UP LOGGING, select LOGGING OFF, and slide to the right to change to LOG TO PORT 1. c. Select EXIT, and notice that the A next to PORT 1: is highlighted. Commercial vessels usually do not change their ARPA targets to a different group letter. If you desire to do this, however, refer to the RASCAR operator’s manual for further information. d. Exit the menu after Target Data Logging has been turned on. Any targets now acquired will automatically be sent to the VMS. Figure 6-1 shows a VMS chart display with target symbols, including the target true course/speed vector, and history dots.

Figure 6-1. RASCAR Target Display on the VMS VT 6-8

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6.8.2 Displaying Numeric Target Data at the VMS When you display targets, you can also display numeric data relative to any one of the targets: a. At the VMS, select the Targets button on the main menu to display the Targets Menu sub-menu as shown in Figure 6-2. b. Select Target Data Window to display the Target Data Window sub-menu (see Figure 6-3). Table 6-1 defines the operator controls when using the Target Data Window feature. c.

After the appropriate selections have been made, select ACCEPT button to display the Target Data Pair window in the chart display area as shown in Figures 6-4 and 6-5.

Figure 6-2. Target Menu Sub-menu

The top part of the window displays data for the designated target, including the target ID, the BRG to B (either Ownship, another target, or a position on the chart), the Lat/Lon, and Course and Speed of the target. The next section of the window shows target B, including BRG to the designated target, the Lat/Lon, and course and speed of target B. The bottom part of the window displays the range between the two targets, and the target’s CPA and TCPA. The Target Data Pair window can be moved to any location in the chart display area by using the + button, the same as other moveable windows. When you are finished checking target data, close the window by selecting the button.

Figure 6-3. Target Data Window Sub-menu

NOTE: The starting and ending numbers for numbering of targets is established in the configuration file of the software during installation. For DNV Watch One ships, the numbering of the targets should start at 21 and go no higher than 99. This prevents any confusion with the numbering of the targets on the RASCARs themselves - that is, the RASCARs number their targets from 1 through 20. A target selected on a RASCAR will show up on the VMS with a different number than on the RADAR. This prevents the possibility of a target being designated as (e.g.) "5" on the RASCAR and a different target being designated "5" at the VMS.

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Table 6-1. Controls Used with the Target Data Window Feature Control

Purpose

TGT ON CHART button

Select this button to select a target for comparison (identified as target A). After the button is selected, use the cursor to select the target. The target Id number of the target will appear next to the legend Target Id.

Ownship button

Select this button to select Ownship to be “Target B” when gathering information between two targets. A green diamond with a white dot will be present adjacent to the legend when Ownship is selected.

Target button

Select this button to select a target to be “Target B” when gathering information between two targets. A green diamond with a white dot will be present adjacent to the legend when Target is selected. Select ON CHART button and use the cursor to select the target. The target ID number of the target will appear next to the legend Target Id.

Position button

Select this button to select a position on the chart as “Target B” when gathering information between two targets. A green diamond with a white dot will be present adjacent to the legend when Position is selected. After the button is selected, select ON CHART button and use the cursor to select a position on the display. The latitude and longitude data boxes will update to indicate the position of the cursor.

Accept button

Use this button to accept the selected targets and to display the Target Data Pair window on the chart display area. (See Figures 6-4 and 6-5).

Off button

Use this button to cancel (turn off) the Target Data Pair window.

Cancel button

Use this button to abort the entries made in the Target Data window.

Figure 6-4. Target Data Pair Window When Ownship is “Target B” 6-10

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Figure 6-5. Target Data Pair Window When a Target or a Position is Selected as “Target B” 6.8.3 Editing a Target The Target Edit Menu (see Figure 6-6) allows the operator to assign a name to a target, a platform for the target, and to define the target threat level. To edit a target, perform the following steps: a. Select Target Edit from the Targets Menu to access the Target Edit Menu. b. Select On Chart button and select a target on the chart display. The ID number of the target is displayed on the Target Edit Menu. c. Select the data entry box adjacent to the Name legend and enter a name for the target. A white rectangle will appear in the field selected. Data can then be entered for the target by the keyboard.

Figure 6-6. Target Edit Menu

d. Select the data entry box adjacent to the Platform legend and enter a name for the platform. A white rectangle will appear in the field selected. Data can then be entered for the platform by the keyboard. e. Select either FRIENDLY, HOSTILE, NEUTRAL, or UNKNOWN for the target threat level. f.

Once editing is complete, select the Accept button. The data entered for the target will be added to the Target Data Display (see paragraph 6.8.4) and the symbols on the chart display for the target will change according to the following selection:

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HOSTILE FRIENDLY NEUTRAL ~ UNKNOWN NOTE: The history dots for the target can be toggled on and off by selecting the History button. 6.8.4 Displaying Target Data The Target Data Display (see Figure 6-7) provides a listing of the targets in track. The information displayed for each target is as follows: ! ! ! !

ID - the target identification number Name - the name assigned to the target Platform - the platform assigned to the target Type/Threat - the symbol for the target threat (either FRIENDLY, HOSTILE, NEUTRAL, or UNKNOWN) ! Range (nm) - the range the target is from own ship ! Bearing - the bearing that the target is from Ownship ! Latitude - the latitude of the target ! Longitude - the longitude of the target ! Speed (kts) - the speed of the target ! Course - the course of the target ! CPA - the Closest Point of Approach (in nautical miles) of the target ! TCPA - The Time to Closest Point of Approach (in minutes) to the target ! CPA Bearing - Bearing to closest point of approach

Figure 6-7. Target Data Display

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6.8.5 Target Swap of Ids The Target Swap Ids feature is used when the identification numbers of tracked targets have become swapped. To swap the identification of two targets, do the following: a. Select the Swap Target IDs button on the Targets Menu. The Target ID Swap submenu is displayed (see Figure 6-8). b. Select the On Chart button adjacent to the 1st Id legend , and select a target on the chart. c.

Then select the On Chart button adjacent to the 2nd Id legend and touch the other second target on the chart. The two targets are now identified for ID swap.

Figure 6-8. Target Id Swap Submenu

d. Select the Accept button to swap the target IDs. 6.8.6 Targets from More than One RASCAR The operator controls which RASCARs will send target data to the VMS by doing the following: a. Turning the TARGET DATA LOGGING option on at the desired RADARS. Targets can be sent to the VMS from more than one RASCAR if desired. The VMS includes a target correlator so that if two RASCARs are sending the same target, it will be displayed as just one target at the VMS. Because of this correlation process, the I.D. numbers of a target displayed on the VMS will not necessarily match the I.D. number of that target as displayed at the RASCAR.

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Chapter 7: ALARMS AND OPERATOR MESSAGES 7.1 INTRODUCTION This chapter covers the following topics: C C C C C

Overview Datum Messages And Alarms Alarm Display Operation Operator Message Operation Ship Symbols/Chart Warnings

7.2 OVERVIEW The VMS is constantly monitoring the various sensors that are connected to the system, checking progress relative to any voyage plan being executed, and keeping watch over the control state of the system (such as Autopilot control and Speed Control). The ALARM DISPLAY button at the top of the main menu turns red when an alarm condition is detected by the VMS. An audible alarm in the workstation computer accompanies the visual indication of an alarm. Audible alarms can be turned off. An optional remote alarm can be installed if required. An alarm occurs when: C C C C

Data is not received as expected from a configured sensor Data is received but contains an indication of a fault at the sensor Communication between the VMS and peripheral equipment (such as the autopilot, or RASCAR) is interrupted Other cases - XTE limit exceeded, file space low, etc.

The “Operator Message” window appears at the top of the chart display when the system expects operator input, such as just prior to a course change. This window is also used to alert the operator when the system is in a questionable control state, such as operating with the autopilot in Nav mode, while no voyage plan is being executed at the VMS. The Operator Message window will automatically be displayed on top of any other windows on the chart display, due to the important nature of the messages. In most cases the message must be acknowledged, or it will keep coming back. However, in certain cases the operators’ message can be cleared by adjusting certain parameters.

7.3 DATUM MESSAGES AND ALARMS When Datum messages are received for a Position Sensor, the following message will be placed in the chart warning window if the Datum is not WGS-84:

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XXX Pos DTM: cccccccccccc where: XXX is Datum Code (see Chapter 3 for a listing of all of the datums used with the VMS-VT) and where: cccccccccccc is one of the following: No Offset Used (if the offset to WGS-84 is not known) Offset Used (if offset is known and offset is != 0) Zero Offset Used(if offset is known and offset is == 0) If the received position datum message indicates the reference datum is not WGS-84, the following alarm will be issued: ID Reference Datum Not WGS-84. Conversion Not Possible. ID is the position sensor ID string. If a chart is loaded in the main view or in the editors, the following message will be placed in the warning window if the Datum is not WGS-84: XXX Cht DTM: cccccccccccc XXX and cccccccc have same definition as above.

7.4 ALARM DISPLAY OPERATION When the VMS detects an alarm condition, the ALARM DISPLAY button at the top of the main menu turns red and the computer speaker issues an audible alarm. Proceed as follows: a. Select ALARM DISPLAY to see a text description of the alarm condition in the top half of the ALARM DISPLAY window under Unacknowledged Alarms. The time and date that the alarm condition was detected are included in the text description (see Figure 7-1). b. Click on the text description of the alarm to move the alarm to the Acknowledged Alarms section of the window. When all alarms have been acknowledged in this manner, the ALARM DISPLAY button will change from red back to its normal gray color, and the audible alarm will be silent. If data is lost from one of the selected navigation sensors, the Ownship symbol and the data on the main menu turns red as an additional indication.

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Figure 7-1. Typical Alarm Message Table 7-1 lists some of the Alarms you may see on the VMS screen. Table 7-1. VMS-VT Alarm Descriptions Alarm Description Text

Comment

Auto purged log file: \\[HostName]\[path]\[filename]

Alarm announced when data logging process evaluates the available disk space for data logging is less than four hours and successfully purged a data log file.

Autopilot not responding

No acknowledgment from autopilot.

Chart specified in Voyage Plan is not available Could not open COM[n] for SERIAL_OUT

COM[n] is the name of the serial interface ports on the VMS workstations.

Could not open COM[n] for AUTOPILOT

COM[n] is the name of the serial interface ports on the VMS workstations.

Could not open COM[n] for PLOTTER

COM[n] is the name of the serial interface ports on the VMS workstations.

Could not open COM[n] for DIGITIZER

COM[n] is the name of the serial interface ports on the VMS workstations.

Data log disk is almost full: [HostName]

[HostName] is the name by which VMS workstations are known on SeaNET; usually “VMS-1,” “VMS-2,” etc.

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Table 7-1. VMS-VT Alarm Descriptions Alarm Description Text

Comment

Data log disk is full: \\[HostName]\\path]

Alarm announced when data logging process evaluates the available disk space for the data logging is less than four hours and is unable to find any old log files to purge.

Data log disk is almost full: \\[HostName]\\path]

Alarm announced when data logging process evaluates the available disk space for the data logging is less than forty-eight hours.

Position Drift Detected

If the Position Drift Detected . alarm occurs, the operator should determine if the selected position source is in error. If the source is in error, an alternate source should be selected. Once a valid position source is selected, track-steering may be resumed by re-starting the Voyage Plan.

Ship speed exceeds Voyage Plan limit Ship speed less than Voyage Plan minimum Timeout: Target Update - [target number] Timeout: [sensor name] [sensor manager]

Sensors are monitored by an associated sensor manager which will report a timeout alarm state if all three conditions are true: a. Configured at installation b. Selected as a source c. Does not update within a specified timeout period

Unable to purge file: [HostName\\path\filename] Unable to purge log file: \\[HostName]\[path]\[filename]

Alarm announced when the data logging process evaluates the available disk space for data logging is less than four hours and has unsuccessfully purged a data log file.

XTE exceeds Voyage Plan limit

Cross-track error is greater than the limit set in the voyage plan being run.

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7.5 OPERATOR MESSAGE OPERATION The following example illustrates the operation of the Operator Message window. When executing a plan and approaching a waypoint, an operator message like the one in Figure 7-2 is displayed. The alarm will occur 3, 4, 5, or 6 minutes before the wheelover point, depending on the Approach Time setting on the Voyage Plan Control sub-menu. The message must be acknowledged or it will keep coming back (unless the voyage plan is stopped). If the autopilot is being controlled from the VMS (i.e., if the VMS and autopilot are in Nav mode), an additional message will appear 30 seconds prior to the wheelover point. This message (see Figure 7-3) must be acknowledged if the VMS is to take the vessel through the turn automatically; otherwise, the operators’ message in Figure 7-4 will be displayed, and the vessel will pass through the waypoint without changing course.

Operator Message

Figure 7-2. Operator Message (Typical)

7.6 SHIP SYMBOLS/CHART WARNINGS The software which draws the ship symbol evaluates the size of this symbol based upon the selected scaling factor (Zoom In/Out)) for chart/planning sheet. If it is determined that the drawn to-scale-ship symbol size is less than 5 mm, then the ship size is fixed at 5 mm and a CHART WARNING box in the lower left hand corner will display Ship Symbol Not To Scale. If it is determined that the drawn-to-scale ship symbol size is less than 15 mm, then a circle is drawn around the ship symbol to aid in locating the same. (Note: A circle is draw in this version of software; another symbol may be used in later versions, depending upon the chart supplier and chart format). The ship symbol (along with circle where applicable) will be displayed in red while either

Operator Message Which must be Accepted within 30 Seconds in Order to Excute an Automatic Turn in NAV Mode

Figure 7-3. Operator Message When Executing a Voyage Plan (Typical)

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the POSITION SOURCE and/or the HEADING SOURCE are not valid. When the POSITION SOURCE and the HEADING SOURCE are valid, then the ship symbols will be displayed in green. The CHART WARNING box in the lower left hand corner of screen will display No Chart Loaded when no chart is loaded. The CHART WARNING box in the lower left hand corner of screen will display UND DTM: No Offset Used when a digitized chart (which has been loaded) is of datum (DTM) type UND (undetermined) and no LAT./LONG. offset values were found. Table 7-2 lists the Operator Messages that may appear on the VMS display. Figure 7-4. “Turn Not Accepted” Operator Message

Table 7-2. VMS VT Operator Messages Operator Message Text Comment Approaching Turn to Waypoint The message will appear five minutes prior to [nextWaypointName] the turn. Approaching End of Plan The message will appear approximately five minutes prior to approaching the last waypoint in the plan. Off Track. Track keeping stopped. The message will appear when the cross track error limit has been exceeded. Pilot to [new heading] Plan Finished The message will appear after the last waypoint in the plan has been passed. Turn to Waypoint [nextWaypointName] hdg [new heading] Turn not accepted.

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Chapter 8: MISCELLANEOUS FUNCTIONS 8.1 INTRODUCTION This chapter covers the following topics: C C C C

Optional Functions Advanced Features Touchscreen Calibration Diagnostics

8.2 ELECTRONIC BEARING LINES AND VARIABLE RANGE MARKER The VMS provides two Electronic Bearing Lines (EBLs) and one Variable Range Marker (VRM) to measure and display the true bearing and distance to objects on the electronic chart. Distances up to 1,000 nmi can be measured. NOTE: The operation of EBL 2 is identical to EBL 1. The operation of the VRM is also the same, except that a range ring is displayed from Ownship, or the selected offset origin. No bearing data is provided. All three of these navigation tools can be displayed simultaneously. To operate EBL 1, do the following: Figure 8-1. EBL 1 Window a. Select the EBL 1 button on the Main Menu. The EBL sub-menu is displayed (Figure 8-1). b. Select and hold a point on the chart display and a yellow EBL is displayed. The default mode is for the EBL origin to be at Ownship. c.

Move the on-screen cursor to select different points on the chart and notice the range and bearing displayed in the sub-menu. When you release the selected point, the yellow EBL stays at the selected range and bearing.

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d. You can change the range/bearing again by selecting the Change Endpoint button on the window. When you have positioned the EBL as desired, select Accept on the window. The EBL 1 window is displayed showing the range and bearing, the EBL 1 changes from yellow to white, and the Main Menu is restored (see Figure 8-2). You can select EBL 1 again and select a new point on the chart display. The range and bearing of the white EBL 1 remains displayed in the EBL 1 window, while the range and bearing of the yellow (pending) EBL 1 is displayed on the window to the right. The default mode of operation is attached to Own Ship. If you wish to check the range and bearing from a point other than Ownship, do the following:

Figure 8-2. EBL Display On Screen

a. Select the Attached To Chart button on the EBL window. b. Notice that the Change Origin button becomes available. Select this button and select the desired origin point on the chart display. c. Select the Change Endpoint button and select the desired end point on the chart. The range and bearing from the new origin will be displayed in the window. d. Select Accept and the data will be displayed in the EBL 1 window. It’s a good practice to move the window using the + button, so that newly displayed windows don’t get stacked on top of each other. Figure 8-3. Danger Query Window

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8.3 DANGERS The Dangers button is used to display information about dangerous objects in Ownship’s path. The dangers button works in conjunction with the VMS-VT Safety Checker to display details about the dangers present within Ownship’s Safety Zone. The Safety Zone is a three dimensional box constructed around Ownship and extended ahead of Ownship a specified lookahead time (see Chapter 5). When the Dangers button is selected, dangers within the Safety Zone are highlighted on the Electronic chart and details about the danger(s) are presented in the Danger Query Window (see Figure 8-3). On non-S57 charts, dangers are limited to operator defined Danger Areas. On S57 charts, any object that intrudes into the Safety Zone is considered a danger. The buttons at the top of the Danger Query Window may be used Figure 8-4. Spatial Query Option to select dangers categories (depth areas, anchorage areas, etc.) for Data Selection Window viewing. The choices available in the Danger Query Window depend on the types of dangers found in by the Safety Checker

8.4 QUERY OPTIONS The Query Opt button is used select the parameters of the data that will be displayed when the Query button is selected. Figure 8-4 illustrates the Query Opt display. Table 8-1 defines the usage of parameter setting for the Query. Table 8-1. Spatial Query Options Menu Selection Selectable Item

Description

Areas

Used to select areas (such as danger areas) as a criteria for the Query.

Lines

Used to select lines as a criteria for the Query.

Points

Used to select points (such as chart notations) as a criteria for the Query.

Closest Objects

When Query is selected, provides information on the closest object based on the area selected within the search radius.

All Objects

When Query is selected, provides information of all objects based on the area selected within the search radius.

Radius Based on Scale

Radius of the search radius based on the chart scale.

Search Radius (nm)

Operator selectable search radius. Radius can be set up to a maximum of 99.9 nautical miles.

Class

Sort parameter based upon the class of the object.

Distance

Sort parameter based upon how close the objects are.

Type

Sort parameter based upon the type of object such as area, lines, or points

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Table 8-1. Spatial Query Options Menu Selection Selectable Item

Description

Accept

Used to accept the Query parameter settings.

Cancel

Used to abort any settings made within the Spatial Query Options Menu.

8.5 QUERY This button is used to provide information to the operator about the objects on the currently selected chart, the chart itself or Ownship based upon the settings of the Spatial Query Options Menu setting. For both S57 and non-S57 charts, this feature provides information on danger areas, chart annotations, and Ownship (if Ownship’s symbol is selected to be on in the features menu). Queries on S57 charts offer a wealth of additional information. Information about any object or symbol displayed on an S57 chart may be obtained using the query feature. Figure 8-5. Cursor Drawn to Show the Query Position When a chart is displayed on the main chart view that has a local offset to WGS84, the WGS-84 AND local datum positions can be read by selecting the "Query" button and then moving the cursor (via touchscreen or other pointing device) to any location on the main chart view. The cross hairs at the cursor position is the WGS-84 datum position (see Figure 8-5). There will be a line segment extending from the cursor position. The end of this line segment indicates the same latitude and longitude AT THE LOCAL DATUM position. The latitude/longitude of these positions will be displayed beside the cursor position. Figure 8-6 shows a typical display when a query is selected for an object.

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Figure 8-6. Query Window for Objects Within the Selected Area of the Spatial Query Option Setting

Operator’s Manual for the VMS-VT - February 1997

NOTE: Both the offset value in latitude and longitude, and the local datum type, can displayed by the chart information window. NOTE: The latitude/longitude displayed adjacent to the cross hairs is for BOTH positions - the cursor position is where this is in WGS-84 datum and the end of the line segment is where this is in the local datum on this chart.

8.6 GUARD RING CONTROL Guard rings define an area designated by the operator as a guard zone. A guard ring can be set in either a complete circle or in an arc around Ownship (Figure 8-7). 8.6.1 Guard Ring Alarm If a target passes into a guard zone, the alarm display turns red, and an audible alarm sounds. When this happens, do the following: a. Select the ALARM DISPLAY button on the Main Menu. The ALARM DISPLAY window pops up. b.

c.

Select the text description of the intruder alarm in the Unacknowledged Alarms section. This silences the alarm.

Figure 8-7. Guard Ring Display

Touch Close to close the alarm display

8.6.2 Setting A Guard Ring Guard ring positions are determined relative to Ownship, and their bearing changes with changes in Ownship's heading. Guard ring arcs are defined as a start arc angle. A 180-degree guard ring centered at the bow of the ship would start at 270 degrees, with an arc angle of 180 degrees. The same size guard ring centered at the stern would start at 90 degrees, with the same arc angle. To set a guard ring, proceed as follows: a. Touch and release the Guard button on the Main Menu. The Guard Ring Control window (Figure 8-8) appears. b. Touch the Start Angle slide, and move the slider until the value equals the bearing at which you want to start the guard ring. (Start Angle selected appears in a data display box).

Figure 8-8. Guard Ring Control Window

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c.

Touch the Arc Angle slider, and move it until the value equals the number of degrees clockwise from the start angle at which you want to stop the guard ring. (Arc Angle selected appears in a data display box).

d. Touch the Range slider, and move the slider until the guard ring range reaches the desired value. (Range to inner ring appears in a data display box). e.

Touch the Depth slider, and move the slider until the outer ring of the guard ring reaches the desired value. (Depth (range) between inner and outer rings appears a data display box). The area within both rings is now the guard zone.

f.

Touch Accept. The guard ring is now activated (goes from yellow to white) and the Guard Ring Control menu closes.

8.7 MAN OVERBOARD DISPLAY This function displays a man overboard emergency on a chart display (Figure 8-9). The MAN OVERBOARD display shows a symbol representing the man overboard (OSCAR) and data displays showing the bearing and range to the OSCAR, elapsed time since the Man Ovbd button was selected, rudder angle, and the true wind direction and speed. 8.7.1 Man Overboard Display Operation To operate the man overboard feature, follow the steps below: a. At the Main Menu, touch the Man Ovbd button to display the MOB Data window (see Figure 8-10). b. Touch the NO OSCAR button to deselect. c.

Figure 8-9. Chart Display Detail Showing Man Overboard Display

Touch Accept to start the elapsed time for the man in the water. The range and bearing to the man are based on the midship position at the instant the Accept button was touched.

You can also start the MOB screen with OSCAR in a position you select. Do the following: a. Touch the Man Ovbd button on the Main Menu.

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b. When the MOB Data window appears, touch the Select A Position On Chart button, and then touch the screen and drag the cross-hair to the desired position on the displayed chart, and lift your finger. c.

Touch the NO OSCAR button so that the green square is off, and then touch the Accept button.

Finally, you can start the MOB screen by entering the bearing, range, and elapsed time manually. To do this, do the following: a. Touch the Bearing field. A white rectangle will appear. b. Enter the desired data from the keyboard, and touch Accept. c.

Repeat for Range and Elap Time (elapsed time) data entry fields.

d. Touch the NO OSCAR button, and verify that the green square is off. Then touch Accept.

Figure 8-10. MOB Data Entry Menu

WHEN THE MAN OVERBOARD FUNCTION IS COMPLETED, THE FOLLOWING STEPS MUST BE DONE: a. De-select the MAN OVERBOARD screen by touching Close in the upper left hand corner of the screen. b. Touch the Man Ovbd button on the Main Menu. When the MOB Data window appears, touch NO OSCAR to turn on the green square. c.

Touch Accept.

Failure to do this will allow the man overboard calculations to continue and will confuse and delay the start of any future Man Overboard function.

8.8 PRECISE ANCHORING The Precise Anchoring function displays a PRECISE ANCHORING window (Figure 8-11) and graphic display. The window shows all data needed for the planned anchorage. 8.8.1 Precise Anchoring Display Operation Do the following steps: a. At the Main Menu, select the Anchoring button to display Anchor Data window (Figure 8-12).

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b. Enter the planned longitude and latitude, and touch the Accept button. c.

If the planned anchorage is on the displayed chart, touch the Select A Position On Chart button.

d. Move the cursor to the appropriate coordinates on the displayed chart and select that point. Then enter head bearing (Head Brg) and the distance between outer range rings (Rings) and touch Accept. All data needed for the planned anchorage is displayed on the Precise Anchoring movable window. If the planned anchorage is on a stored chart, do the following: a. Select the Chart button at the Main Menu, and then select the anchorage chart that you need from the Portfolio window.

Figure 8-11. Precise Anchoring Display

b. Touch the Accept button to display the stored chart. Enter the Lat/Lon, head bearing and range ring data as described above.

8.9 PLOTTER The optional plotter is used to graphically plot Ownship position and/or logged ARPA target positions onto a paper nautical chart that is taped to the plotter surface. The time interval for plotting is selected by the operator. To use the plotter, an appropriate nautical chart is secured to the plotter table. 8.9.1 Plotter Initialization And Alignment Do the following: a. Turn the plotter power on.

Figure 8-12. Anchor Data Window

b. Make sure the plotter’s pen is in place. Press the “HOME” key on the plotter control panel.

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c.

Place a paper chart on the drawing board of the plotter. You may want to add clear protective tape around the border of the chart to avoid tearing the chart when taping and un-taping it from the board. Tape the chart to the plotter table.

d. Select four alignment points on the chart. To make the alignment process easier choose alignment points marked by the crossing of a parallel and meridian. The points should be toward the corners of the chart, but the four points need not form a perfect square or rectangle. List the four chosen points on a piece of paper. e.

Select the System Menu button at the Main Menu. Select the Plot Controller button. The Plot Controller window appears (Figure 8-13). f. Select the Initialize Chart On Plotter button. The Plot Control Setup windows appears (Figure 8-14).

g. Select the buttons next to Projection Type and Datum Type. Make the appropriate selections from the pull down menus based on the chart on the plotter surface. (As of July 1996, only Mercator and WGS-84 are supported).

Figure 8-13. Setting The Plot And Time Stamp

h. Click on (select) the data displayed next to Latitude Of Scale and use the keyboard to enter the correct Lat. of scale listed on the nautical chart. i.

Click on (select) the data next to Scale 1 : and use the keyboard to enter the correct scale listed on the chart.

j.

Beneath the NOT PERFORMING ALIGNMENT button, from the keyboard enter the the Lat. and Lon data for each of the four alignment points.

k. Select the ALIGN ALL POINTS button. Notice that the diamond on the status button next to the displayed coordinates for point 1 turns green. This is the prompt to enter alignment point 1 at the plotter. l.

Make sure the plotter pen is in the UP position. Use the cursor keys on the plotter control panel to position the pen at point 1. Use the plotter’s UP and DOWN keys to check the exact position of the pen.

m. When the pen is correctly positioned, press the ENTER key on the plotter control panel.

Figure 8-14. The Plot Control Setup Window

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n. Notice that on the Plot Control Setup window, the green diamond moves to the status button next to point 2. This means the software has recorded point 1. o. Repeat steps l through n for alignment points 2, 3 and 4. NOTE: If you wish to re-align one of the points, select the diamond next to the point in the Plot Control Setup window. The corresponding alignment point number will change into green. Move the pen to this point and press ENTER key on the at the plotter controller panel. p. When all four points have been entered, select the Accept button at the bottom of the Plot Control Setup window. 8.9.2 If The Plotter Fails To Align Properly Sometimes a plotter malfunction causes the alignment procedure to stop before completion. For instance, point 1 alignment succeeds and the diamond for point 2 changes to green. You move the pen to alignment point 2 and press the ENTER key at the plotter control panel. But the diamond label at point 2 stays green, no matter how many times you press the ENTER key. At this point the plotter must be reset: a. At the plotter control panel, press the HOME key while holding the ENTER key. The plotter can also be reset by turning power off and then on again. b. After about a minute, a dialogue window appears with the message The alignment process has been aborte d (Figure 8-15). Select Accept to abort. Now, you can Figure 8-15. Abort Plotter Alignment continue with the alignment procedure. Window NOTE: If any of the four points were correctly recorded before the plotter malfunction, they do not need to be entered again. 8.9.3 Using The Plotter The plotter can plot the course of Ownship and/or target The Plotting Interval determines how often a plot is made. The Timestamp Interval controls when the time is plotted. If the Ownship plotting interval is set to 5 min and the Ownship time stamp interval is set to 15 min, the plotter will mark the Ownship position with small circles every 5 minutes, and the position will be marked every 15 minutes with a circle and a printed time stamp. The same holds true for targets. Use the following procedure for plotting:

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a. Select the System Menu button at the Main Menu. The Plot Controller window appears (Figure 813). b. Select the Plot Ownship button to activate plotting Ownship. Select again to deactivate. c. Select the Plot Targets button to activate plotting targets. Select again to deactivate. d. Click on the button next to Plotting Interval and select a plot interval. e.

Click on the button next to Timestamp Interval and select a timestamp interval. NOTE: Plotting and Timestamp intervals can be changed at any time.

8.10 DATA LOGGING AND PLAYBACK The VMS VT logs (records) data from the selected navigation and meteorological sensors to electronic files. These log files are used to support the playback function, which is described below. The PLAYBACK WINDOW (Figure 8-16) is used to replay a portion of the vessel’s past movements on the VMS VT display. The playback can be used to review and discuss the vessel’s movements after a challenging maneuver, such as through a narrow harbor entrance with a strong current. The vessel’s movements will be played back based on the sensors that were selected during the designated period. The playback data is stored as individual files, one for each hour of each day. Files older than thirty days are overwritten to avoid using up a large part of the hard drive storage capacity Figure 8-16. Playback Window Overlay

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8.10.1 Starting Playback Perform the following steps: a.

Select the Log/Playback button at the main menu to display the PLAYBACK WINDOW.

b.

Press Close to remove the SOURCES window .The SOURCES window automatically appears upon activation of the Log/Playback button. When playback is started, the SOURCES window will show which sensors were selected at the time and date displayed in the playback window.

c.

Select the Set Time button at the bottom of the window to display the Playback Time (UTC) window in the top left corner of the playback window (Figure 8-17). Select the DATE data entry box and use the keyboard to enter the desired date for p l a y b a c k (day/month/year) . Select the TIME data entry box and use the keyboard to enter the desired time for playback, and select the Accept button.

Figure 8-17. Playback Window Overlay

d. Select the 1X RATE – button next to Set Time. A pop-up menu appears with the available rate selections from 1X, 2X, 5X, 10X, or 20X RATE (Figure 8-18). Select the desired speed of playback. e.

Select the New Chart button and select the desired playback chart (Figure 8-18).

f.

Select Start and the playback begins (see Figure 8-19).

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Figure 8-18. Selection Of Playback Speed

Figure 8-19. Starting Playback

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The playback window provides a set of normal chart display control buttons for zooming and offsetting the playback chart 8.10.2 Stopping Playback Perform the following steps: a. Select the Stop button. Select Start to resume the Playback function. If you need to momentarily remove the playback window to look at the normal real-time chart display, do the following: a. Select the Reveal Chart button (at the Main Menu). Select the Overlays button to return to the playback window.

8.11 SPEED CONTROL INTERFACE If the VMS includes an interface to a propulsion control system (such as a Kamewa system), the Speed Control button appears on the main display to allow selection of the Speed Control window. The Speed Control sub-menu (see Figure 8-20) is the operator interface to the Speed Control Module. This Speed Control Module provides the capabilities to control the ship speed based upon the running voyage plan ETA (Estimated time of Arrival) requirements and/or from an operator manual input. All VMS stations have control over the speed control functions. Control changes from any station are distributed to all stations. 8.11.1 Speed Control Modes There are three possible speed control modes in which the Speed Control Module may operate:

Mode

Description

OFF

Initial mode upon Speed Control selection; any ordered speed changes must be handled by the operator directly through the propulsion control system.

MANUAL

This mode allows for ordered speed changes to be made by the operator to the propulsion control system via "Manual Speed (kts)" entries which in turn are transmitted to the propulsion control system. Input is allowed independent of voyage plan activity ; running, loaded, not active, etc.

Figure 8-20. Speed Control Window

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AUTO

This mode provides for automatic updates to ordered speed based upon the "Desired Time of Arrival" (DTA) and information found in the active voyage plan. The operator may input speed changes by modifying the DTA. NOTE: Although there are three possible speed control modes in which the Speed Control Module may operate, only two are permissible for a given system. The OFF mode is defined for all installments; MANUAL and AUTO are two exclusive implementations of the Speed Control active state. The Speed Control Module mode (MANUAL or AUTO) is configured during the VMS-VT installation process.

8.11.2 Speed Control Window The following functions are available in the Speed Control window: a. The Control Speed button and status box provides an indication of the present and pending Speed Control Module states. The status indications are defined in Table 8-2. This button is blanked out ( inactive) if speed control devices' selectivity is disabled. b. The Speed Of Advance data display box indicates the average speed based upon the sensor input and the voyage plan data. This data is available when the Speed Control feature is active and a voyage plan is executing. c.

The Required For Plan data display box indicates the required speed of advance in order to make the planned ETA based upon planned, maximum, and minimum leg speeds. This data is available when the Speed Control feature is active and a voyage plan is active.

d. The Ordered Speed data display box indicates the current speed being ordered by the Speed Control Module when it is active (MANUAL or AUTO mode). If the speed control feature is inactive (OFF), the current ship speed will be displayed. The Ordered Speed data display box reflects the state of the speed currently being ordered based upon the control status information received from the propulsion control system and the requested control from the Speed Control Module. Table 8-3 lists the control states of the ORDERED SPEED data. e.

The Desired Time Of Arrival (DTA) display box initially displays the planned arrival from the voyage plan, but can be modified by the operator to reflect a new DTA. A scroll bar is provided to change the DTA value if the Speed Control Module is configured for ON to be the AUTO mode. Changes to the DTA are made effective when either the Apply or Accept button is selected. The scroll area is defined as the original Planned Arrival ± Arrival Limit or min./max feasibility limits as determined by the Speed Control Module. Moving the scroll bar to the right will result in a later arrival time; moving the scroll bar to the left will produce an earlier arrival time. When the DTA is changed, its state changes to pending until the Accept or Apply button is activated. If the entire scroll bar area becomes inactive, the scroll bar is disabled and the DTA is UNAVAILABLE (blank). The scroll bar is disabled if the Speed Control Module is OFF or if it is configured for ON to be the MANUAL mode.

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f.

The Restore Planned Arrival button is used to change the DTA back to the original plan arrival time when operating in the AUTO mode. It is also a pending function that requires an Apply or Accept for data entry. This button is disabled if the Speed Control Module is OFF or in the MANUAL mode.

g. The Manual Speed (kts) data entry box is used to enter the ORDERED SPEED if the Speed Control Module is configured for ON to be MANUAL mode. h. The Estimated Time Of Arrival display is either ACTIVE or UNAVAILABLE, depending on whether a voyage plan is active or not. i.

The Planned button and Present button indicate how the ETA is calculated. In MANUAL or OFF modes, the Planned ETA uses planned speeds on future legs of the voyage plan, whereas the Present ETA used current speed of advance on all future legs. In AUTOMATIC mode, the planned ETA equals the present ETA, which equals the Desired ETA unless restricted.

j.

The Accept button will transfer the selections on the speed control menu to the speed control manager. After execution of the command, the system returns to the main menu. NOTE: No updates are made if the voyage plan is in the turning state.

k. The Apply button will transfer the selections on the speed control menu to the speed control manager. After execution of the command, the system remains in the Speed Control sub-menu. l.

The Cancel button is used to exit the menu without entering the speed control changes.

Figure 8-21. Ships Loading Conditions Window

A pull down menu allows selection of FULL, MEDIUM, and LIGHT ship load conditions ( Figure 8-21). This information is passed to Speed Control Module. Table 8-2. Control Speed Status Indications Box

Check Mark

Control Speed Module Status

Green

White

ON ( Mode is AUTO or MAN as per system configuration)

Yellow

White

PENDING-OFF ( State changes to OFF if APPLY or ACCEPT selected)

Blank

None

OFF

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Table 8-2. Control Speed Status Indications Box

Check Mark

Control Speed Module Status

Green

White

ON ( Mode is AUTO or MAN as per system configuration)

Yellow

Black

PENDING-ON (State changes to ON if APPLY or ACCEPT selected)

Table 8-3. Control Status of the Ordered Speed Color

Status

Comments

WHITE

VALID

(Information; value is current ship speed; NO command issued)

RED

ALARM

(Error State; value is current ship speed ;NO command issued)

YELLOW

PENDING

(Waiting on procedure completion; value is current ship speed; waiting on completion of procedure )

GREEN

ACTIVE

(Speed Control Module is commanding ordered speed value to propulsion control system.)

8.12 HISTORY MENU To access the History Menu, do the following: a. At the Main Menu, select the System Menu button. b. At the System Menu select the History Menu button (see Figure 8-22). The following options are available at the History Menu window: C

Time Stamp Rate - This controls the display of the recorded time stamp associated with the track history (see Figure 8-23). Figure 8-22. History Window Ownship’s track history is depicted by small circles. The time stamp rate is operator selectable from five to sixty minutes in five minute increments. A time stamp rate of 120 minutes is also available. The time stamp will be placed adjacent to the track history dot at the designated time interval.

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History Length - Selects the time interval of the displayed track history dots on screen. The time interval for the history length feature is operator selectable from 0 to eight hours in one hour increments.

C

History Start - Selects the start time interval of the displayed track history dots on screen. The time interval for the history length feature is operator selectable from 0 to eight hours in one hour increments.

8.13 FILE MANAGER Figure 8-23. Ownship Symbol Each electronic chart, voyage plan, and NAVLINES chart is stored as an individual file in the VMS VT computer's hard disk storage. The File Manager is used to copy any of these files from the hard drive of the VMS workstation to a floppy disk and to any other VMS node, or vice-versa. There are four file types: C

Charts (.CHT).

C

Voyage Plans (.VP).

C

Navlines (.NVL).

C

Noon Reports (.NOO)

These are the only file types accessible to the user. 8.13.1 The File Management Window The File Management window is shown in Figure 8-24. Across the top row are four buttons for selecting the type of file: Charts, Voyage Plans, Navlines and Noon Reports. The second row contains two objects: the Drive A – button and a text area that shows the current file type selected. Below the the Drive A – button is a large window area that shows any files on Drive A. Across on the right is a similar window area for files on the

8-18

Figure 8-24. The File Management Window

Operator’s Manual for the VMS-VT - February 1997

hard drive. The Copy, Delete, and Refresh buttons are located in between the two window areas. 8.13.2 Using the File Manager Do the following: a. Insert the floppy disk to be used into drive A: of the VMS workstation. b.

Select the File Manager button at the System Menu to display the File Management window.

c

. Select from one of the four file types: Charts, Voyage Plans, Navlines or Noon Reports. The diamond in the selected button turns light green. Also, the selected file type name appears in the text area on the second row.

d. The names of the available file types appear as buttons in the File Management window. In Figure 8-24 For example, the button 97010736.NOO represents the file 97010736.NOO on the floppy drive. e. Select the files that you want to work with. This is done by clicking on the button with the file name. You can select more than one file. Click on the button once to select the file. Click again to un-select. The Copy, Delete and Refresh buttons are covered in the following sections. 8.13.3 Creating The Sub-Directories On The Floppy Drives Sub-directories are automatically created on the floppy disk to store the files. These sub-directories are as shown. Directory PATH listing A:\ /))) CHARTS (DC Format Only) /))) NAVLINES .))) PLANS Files will automatically be stored in the appropriate subdirectory when copied from the VMS hard drive to the floppy disk. The files of each type are automatically stored in the proper location on the workstation hard drive. 8.13.4 Copying Files Use the following procedure: a. Select from one of the four file types: Charts, Voyage Plans, Navlines or Noon Reports. b. Select the file or files to be copied. The files can be selected from either the floppy drive list or the workstation hard drive list, but not both at the same time.

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b. If you are copying files to hard drive, select the COPYº button. When the files have been copied to the hard drive, the list on the right side of the window (hard drive files) will include the newly copied files. c.

If you are copying files to floppy drive, select the COPY» button. When the files have been copied to the floppy drive, the list on the right side of the window (hard drive files) will include the newly copied files.

8.13.5 Deleting Files Do the following: a. Select from one of the four file types: Charts, Voyage Plans, Navlines or Noon Reports b. Select the file or files to be copied Select Delete and a message is displayed (Figure 8-25) in the window, prompting you to either confirm the deletion of the file by selecting Accept, or cancel the deletion command by selecting Cancel. If more than one file is selected, you can select Accept to confirm the deletion of each file one at a time, or select Accept All if you are positive that you want to delete all the selected files. If you select Cancel, you must cancel the command for each selected file, one at a time, or you can accept some files (deleting them) and cancel other files (not delete them). Figure 8-25. Deleting Files Message 8.13.6 Getting an Accurate List of the Files on a Newly Inserted Floppy Disk If a new floppy disk is inserted after the File Management window is displayed, do the following: c.

a. Select Refresh to re-read the floppy disk so that an accurate list of files is displayed. Selecting a different file type will also "refresh" the list. 8.13.7 Closing the File Management window When you are finished with the File Manager, it can be closed by any of the following methods: a. Selecting the Close button in the top left corner. b. Selecting the Reveal Chart button on the Main Menu.

8.14 BEEPER ON The Beeper On function is accessed from the System Menu. Use it to turn the local sonalert on or off. To access the Beeper On function, do the following: a. Select the System Menu button from the Main Menu.

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b. Select the Beeper On button. If the beeper is off when selected, it turns on. If it is on when selected it turns off. There is an indicator box on the Beeper On button. When the Beeper On function is active, the indicator box is light green, and the audible alarm at the local workstation is disabled and will NOT sound when a VMS Alarm occurs. The Beeper On button affects only the local workstation; the audible alarms at other workstations are controlled independently. Additionally, the Beeper On button disables only VMS Alarms; other programs are not affected. The default mode at VMS start-up is for the sonalert to be activated.

8.15 COMPUTED SENSORS The computed sensors feature allows the computed set and drift values to be reset. It is used only as a diagnostics aid for the service engineer.

8.16 PFM CONTROL The PFM Control function is used to select the position source used by the Position Filter Module (PFM). To access this function, do the following: a. Select the System Menu button from the Main Menu. The System Menu window appears. b. Select the PFM button. The PFM Control Menu appears ( Figure 8-26). If the system is configured for PFM Control, there will be a listing of the position sources. A box adjacent to the position will be highlighted with a green check mark, thereby indicating which source is selected for PFM processing.

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Figure 8-26. PFM Control Menu

8.16.1 PFM Re-Initialize The PFM Re-initialize feature is used to reinitialize the PFM. This is done when accurate position fixes from a sensor (such as GPS) becomes available after being temporarily unavailable to the system. 8.16.2 Slew On Chart The Slew on Chart feature is used to manually enter an initial chart position for PFM use. This feature can also be used to start the PFM with a position offset. To activate the Slew on Chart feature, do the following: a. Select the Use Slew button from the PFM Control Menu window. A box adjacent to the "Use Slew" will be highlighted with a green check mark, thereby indicating that the feature is active. Select the "Slew On Chart" button. Move the cursor to the desired position on the chart. The position of the cursor will be indicated in the PFM Control Data Entry menu. Select the Accept to use the new position of the PFM offsets.

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8.17 REPORTS This function is used to generate data reports. The Reports pop-up selection menu provides a list of report buttons which includes: C C C

BELL DATA LOG NOON

8.17.1 Bell The Bell Book report is only available for printing. No screen display of the report is provided. The data fields printed are as shown in Figure 8-28. To create the report, do the following: a. Select the System Menu button from the Main Menu. b. From the System Menu, select the Bell button. The Print Bell Book Range window appears (see Figure 8-27). c.

Click on the ENDING TIME data field. Use the keyboard to enter an appropriate time.

d. Click on the ENDING DATE data field. Use the keyboard to enter an appropriate date.

Figure 8-27. Print Bell Book Range Window

e.

Click on the STARTING TIME data field. Use the keyboard to enter an appropriate time.

f.

Click on the STARTING DATE data field. Use the keyboard to enter an appropriate date.

g.

Click on the 1 hour button next to Interval (this button may have a different time showing). A pop-up selection menu of times appears. Select a time interval.

h. Select the Accept button to start the report or the Cancel button to stop.

Figure 8-28. Bell Book Report

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8.17.2 Data Log The Data Log report is only available for printing; no screen display of the report is provided (see Figure 8-31). No screen display of the report is provided. To create the report, do the following: a. Select the System Menu button from the Main Menu. b. From the System Menu, select the downward arrow next to the Bell button. A window appears. Select the Data Log button. The Print Log Range window appears (see Figure 8-29). c.

Click on the ENDING TIME data field. Use the keyboard to enter an appropriate time.

d. Click on the ENDING DATE data field. Use the keyboard to enter an appropriate date. e.

Click on the STARTING TIME data field. Use the keyboard to enter an appropriate time.

f.

Click on the STARTING DATE data field. Use the keyboard to enter an appropriate date.

g.

Click on the 1 hour button next to Interval (this button may have a different time showing). A pop-up selection menu of times appears. Select a time interval.

Figure 8-29. Print Data Log Window

h. Select the Accept button to start the report or the Cancel button to stop.

8.17.3 Noon Report The Noon report is available both on-screen and in printed format (Figure 8-32). The report provides a “snapshot” of Ownship’s information at 12:00 noon, Greenwich Mean Time. The report is automatically generated daily at noon (user selected local time) and sent to a printer and a workstation hard drive. Noon Report files older than 31 days are automatically deleted from the hard drive. The current Noon Report is the default selection. The Noon Report file names displayed in the Noon Report window are based on the date the report was generated. For example, file name “97020351.NOO" breaks down as follows: 97 = year (1997)

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Figure 8-30. Print Noon Report Window

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02 = month (February) 03 = day (Monday) 51 = index counter based on the time past 12 Noon in Greenwich. To create the report, do the following: a. Select the System Menu button from the Main Menu. b. From the System Menu, select the downward arrow next to the Bell button. A window appears. Select the Noon button. The Noon Report window appears (see Figure 8-30). The current file selection is shown at the top of the window. c.

If you want to see a list of the available files, click on the Select From List button. A selection window appears. Choose a file from the list by clicking the button with the file’s name.

d. Select the Print Selection button to print the file selected. e.

Select the Display Selection button to see the report on the screen.

f.

Select the Cancel button to remove the Noon Report window.

Figure 8-31. Data Log Report

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Figure 8-32. Noon Report (Printed Version)

8.18 EVENT MARK This function allows the operator to mark and describe events that occur during a voyage. When the Event Mark is selected, an event time is immediately recorded into a log file on a VMS workstation hard drive. If the Ownship history feature is turned on, a time-stamped event mark is placed on the display at the Ownship position. Event times and descriptions recorded in the log file can be viewed using the Bell Book report function. To use the Event Mark, proceed as follows: a. Select the Event Mark button from the Main Menu. The Event Description window is displayed (see Figure 8-33). b. Choose an event description from the list. Or optionally, type a description in the data entry box provided.

Figure 8-33. Event Description Window

c. Select the Accept button. The list of frequently used event descriptions may not be modified by the operator. Event descriptions are optional and are not displayed on-screen, but are recorded into the log file on the hard drive.

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8.19 TOUCHSCREEN CALIBRATION To use the touchscreen calibration, perform the following steps: a. Select the System Menu button from the Main Menu. b. From the System Menu, select the Touch Calibration button. The calibration display appears on the screen (see Figure 8-34). c.

Follow the instructions on the screen.

8.20 DIAGNOSTICS The Diagnostics functions are used primarily by Sperry field service engineers to assist in system analysis and troubleshooting. To access the diagnostic functions, do the following:

Figure 8-34. Touchscreen Calibration Display

a. Select the System Menu button from the Main Menu. b. From the System Menu, select the Diagnostics button. The Diagnostics window appears (see Figure 8-35). The area to the right of the label Loading should flash between forty and sixty times per minute. If the rate decreases, the computer is using an inordinate amount of memory for a particular task. Checking the rate of this loading window is part of the step by step diagnostics procedure followed by a service engineer if a problem has been reported. 8.20.1 Build Figure 8-35. Diagnostics This is the only diagnostic function that is intended for use by the Window operator. This window shows what version of VMS software is running and the software release date. It is important to note this information, so that it can be included in any correspondence to Sperry, such as requests for service, or observations regarding the system. To access, do the following: a. Select the Build button from the Diagnostics window. The build information (Figure 8-36) appears on the screen. Figure 8-36. Build Information Window

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Appendix A: GLOSSARY This appendix contains definitions and brief explanations of important terms and acronyms found in this manual. Many of these terms will also be found in the index, which may be referenced to find the location in the text of a more in-depth treatment of a subject. Advisory mode – If the VMS is not sending the heading order to the steering system, for whatever reason, then the VMS is said to be in Advisory mode. When running a voyage plan the operator can switch between advisory mode and Nav mode. When a voyage plan has not been started at the VMS the system will normally be in Advisory mode. (See also Nav mode). ARPA – Automatic Radar Plotting Aid, a radar accessory defined by the IMO and required by that body as required equipment on all vessels above a certain tonnage. autopilot – an automatic steering device capable of steering the ship so as to maintain the heading order set by the operator (helmsman or officer of the watch) or sent by an electronic navigation aid. (See also heading order and HSC). autopilot interface – with respect to the VMS, a communications link between the VMS and an autopilot allowing the VMS and the autopilot to exchange heading orders, navigation data, and mode information. (See also autopilot, heading order and HSC). CD – Compact Disk, a removable optical storage medium capable of storing large quantities of information in a permanent, non-erasable form. CD-ROM – Compact Disk Read-Only Memory. This term is often used to when referring to a computer’s CD Reader, which must be included to utilize any software supplied on CD. (See CD). Chart Manager – That portion of the VMS-VT software that governs the display of electronic charts. CMG – Course Made Good, the actual measured direction of advance of a sailing vessel over the surface of the earth, i.e., its actual track, measured in angular degrees from 000E at true north clockwise through 359.9°. Also called course over ground, or COG. DGPS – Differential GPS (see also GPS). This position sensor is intended for precise commercial navigation in coastal waters, and employs an additional receiver for the reception of correction signals from a land-based transmitter to be applied to the satellite-based GPS position information. digitizer – a computer input device that permits two-dimensional position measurements on a planar surface. A digitizer is used at the Navigation Planning Station to create and/or edit electronic navigation charts. DnV – Det norske Veritas is an independent Classification Society that performs classification, certification, quality-assurance and in-service inspection of ships and mobile offshore units with the objective of A-1

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safeguarding life, property and the environment. Their Class Notation W1 (Watch-1) denotes (among other things) that a vessel is equipped with an integrated navigation system capable of high-performance trackkeeping in narrow waters. EBL – Electronic Bearing Line, a navigation tool which is featured on the VMS electronic chart. Each of the two available EBLs allows the operator to quickly determine the true bearing from Ownship to a feature on the electronic chart, or the bearing between any two points on the electronic chart. GMT – Greenwich Mean Time. The international time standard, based on local standard time at longitude 0° 0' 0" (in Greenwich, England). Now officially denoted UTC (see UTC). GPS – Global Positioning System. A system of navigation-data transmitter satellites that allow GPS receivers world-wide to determine their position on the earth's surface. Often to within 30 meters. "GPS" also is frequently used to refer to GPS receivers. hard drive – (also known as a fixed drive) a non-volatile, but writable and erasable computer storage device. It is called non-volatile because information is retained through power losses. heading – the geographic direction in which a ship actually points or heads at any particular instant in time, defined by the angle made by the keel with respect to a meridian passing through it, and measured in angular degrees from 000E at true north clockwise through 359.9°. heading order – the reference heading to which an autopilot is attempting to steer a vessel at any given time. (See also autopilot and HSC). HSC – Heading-to-Steer Command, a heading order sent to an autopilot from an external electronic navigation aid, such as the VMS-VT. (See also autopilot and heading order). interface – in the context of this manual, the means by which one system (or human) communicates with another. LAN – Local-Area Network. (See also Ethernet and network). Nav mode – If the VMS is in control of the ship's steering – i.e., if the VMS has a link to the autopilot enabling it to send heading-to-steer commands to the autopilot and the autopilot is in its Nav mode and accepting those commands from the VMS – then the VMS is said to be in Nav mode. Navlines – NAVigation LINE charts, which are a very simple navigation chart format employed by the RASCAR to display geographic or traffic features such as channel boundaries superimposed on the radar display. Navlines may be created and displayed on both the VMS and the RASCAR; the VMS and RASCAR can also exchange Navlines charts over the Navlines interface, along with real-time position, heading, speed, set, and drift. network – in the context of this manual, a high-speed communications medium allowing multiple intelligent sensors and control systems to exchange information and coordinate their activities. (See also Ethernet). NMEA – The National Marine Electronics Association, an association of manufacturers that has published a very important standard for navigation and other marine sensor communication, the NMEA 0183 Standard A-2

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for Interfacing Marine Electronic Navigational Devices, Version 1.5, December 1987, and Version 2.0, January 1992. The standard is commonly referred to as simply "NMEA 0183." The VMS is designed to handle messages from any navigation, weather, or machinery sensor that conforms to this standard. position – The latitude and longitude measurement of a vessel. Ownship position is defined as the position of the bow of the ship. portfolio – a grouping of electronic charts used for voyage planning and voyage plan execution. VMS electronic portfolios duplicate the practice of placing the paper charts selected for a particular voyage together in a singe drawer. puck – the moveable portion of a digitizer used to specify positions on the digitizer to the computer. It is similar in operation to a computer mouse in that it allows data entry via button presses, but it only operates in conjunction with the digitizer. RASCAR – RASterscan Collision Avoidance Radar, Sperry Marine's marine navigation radar/ARPA product line. RTP – Return To Plan. Used to describe the operator selected point where the vessel is to return to a stored plan after a temporary deviation from the plan or when starting the stored plan initially. (See also TTMG). safety contour – a depth contour always displayed on S57 charts dividing safe water depths from unsafe water depths. Safe water is shown in shades of light grey and unsafe water in shades of blue. Unsafe water is defined as that with soundings less than the safety depth. safety depth – the minimum water depth necessary for safe operation of the ship. The operator may change the default safety depth. The VMS safety checker checks the safety depth against the depth soundings on S57 charts in order to create safety contours and sound shallow water alarms. SOLAS – Safety of Life At Sea, a set of conventions adopted by the International Maritime Organization (IMO) and all of its signatory countries in 1974. These regulate many of the features of ships used in international trade, including the navigation equipment and its functionality. sub-menu – a new list of choices which results from a selecting a button on a parent menu. target – in the context of this manual, an object identified by the ARPA as standing out from its surroundings, and which the ARPA tracks by determining the object's position, heading, speed, etc. touchscreen – an operator input device consisting of a clear overlay for a computer display screen allowing the operator to interact with the display by directly touching items on the screen to indicate choices. trackball – an operator input device with a fixed roller ball which the operator moves to manipulate a cursor on a computer display screen, while pushing a nearby button to indicate choices. track – the course (or path) of a vessel with respect to the earth's surface, either planned or actual. A track line is a graphical representation of this track on a chart.

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TTMG – Track To Make Good, the present planned course of the vessel. In the context of the VMS, it denotes a temporary (vs. a stored) voyage plan that is controlling the ship in Nav mode, or which is providing guidance in Advisory mode. UTC – Universal Time, Coordinated. (Equivalent to GMT; see also GMT). The international time standard. VMS-VT – Voyage Management System, Vision Technology. VRM – Variable Range Marker, a navigation aid drawn on the electronic chart comprising a range ring drawn at an operator-specified distance from an operator-specified object (usually Ownship). waypoint – a geographical position at the intersection of two legs of a voyage plan where a change in course occurs. WGS-84 – The datum used by the Sperry VMS for displaying charts, Ownship and all objects. See datum. XTE – Cross-Track Error, the perpendicular distance between the ship's actual position at any given time and the voyage plan track.

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Appendix B: CHART DATUMS AND SYMBOLS The following tables are used when digitizing and editing electronic charts. Table B-1 lists all Chart Datums supported by the VMS and Table B-2 lists all the symbols available for chart editing. Table B-1. Datums Supported by the VMS-VT Code

Horizontal Datum

ABI

Abidjan, Ivory Coast

ACC

Leigon Pillar (GCS No 121), Accra, Ghana

ADI

Adindan (30th Meridian), Sudan

AFG

Afgooye, Somalia

AIN

Ain el Abd 1970, Saudi Arabia

AMM

M36 Astro 1975 adjustment, Montserrat

ANT

DOS Astro A14 1977 adjustment, Antigua

ANU

A4 Astro 1956, Anguilla

ARF

ARC 1950, Africa

ARS

ARC 1960, Africa (1960 adjustment of ARC 1950 datum)

ASC

Ascension Island 1958

ASM

Astro 1958, Montserrat

ASQ

Astronomical Station 1952, Marcus Island

ASX

Astro Secor 1966, Tarawa and Gilbert Islands

ATB

Athens, Greece

ATF

Astro Beacon E 1945, IWO-JIMA, Bonin Islands

AUA

Australian Geodetic 1966

AUG

Australian Geodetic 1984

AUS

Australian National

BAT

Batavia (Djakarta), Java, Indonesia

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Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum

BBE

Bathurst Base East End Datum, Gambia

BEQ

Bermuda 1943, Bermuda Islands

BER

Bermuda 1957, Bermuda Islands

BID

Bissau Base North West End Pillar, Portugese Guinea

BOO

Bogota Observatorio, Colombia

BUR

Bukit Rimpah, Bangka Island, Indonesia

CAC

Cape Canaveral, USA

CAI

Campo Inchauspe 1969, Argentina

CAJ

Castello Di Sao Jorge, Lisboa, Portugal (Bessel)

CAO

Canton Island Astro 1966

CAP

Cape Datum, South Africa

CAZ

Camp Area Astro 1961-62, Antarctica

CDF

Castania Delle Furie, Sicily

CGE

Carthage, Tunisia

CHI

Chatham Island Astro 1971, Chatham Island, New Zealand

CHU

Chua Astro, Paraguay

COA

Corrego Alegre, Brazil

CRA

Cruz Astro 1947, Guadalcanal, Solomon Islands

CZX

DOS 66 CZX6, Santa Cruz (DOS 1966-72)

DAK

Dakar, Senegal

DCL

DCS-3 Astro 1973 adjustment, St Lucia

DJA

Djakarta New, Indonesia

DOB

DOS Astro Gux1, Guadalcanal, Solomon Islands

DOM

M12 Astro 1983 adjustment, Dominica, Lesser Antilles

EAS

Easter Island 1967

EGT

Egypt 1907

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Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum

EGY

Egypt 1930

ENW

Eniwetok-Wake 1960, Marshall Islands

EUR

European 1950

EUS

European 1979

FAH

Fahud, Oman (Also known as PD Oman)

FIN

Final 1958, Iran

FJD

Fiji 1986

FJI

Fiji 1956

FLO

Observatorio 1939 (Also known as Flores Astro 1939)

FOT

Fort Thomas 1955, St Kitts-Nevis, Lesser Antilles

FTO

Fort Thomas 1975 Adjustment, St Kitts-Nevis

GAA

Gan 1970, Addu Atoll

GCA

GCI Astro (IAGS 1959), Grand Cayman

GDA

German

GEN

Genoa, 1908, Italy

GEO

Geodetic Datum 1949, New Zealand

GIZ

DOS 1968, Gizo Island, New Georgia

GOE

Goenoeng Dempo, Sumatra, Indonesia

GRA

Graciosa Base SW 1948

GSE

Goenoeng Segara (P5) 1933, Kalimantan E

GTA

Grand Turk Astro 1943

GUA

Guam 1963

HEL

Helsinki, Kallio Church, Finland

HER

Hermannskogel, Austria

HIT

HITO XVIII Astro, Chile (Also known as Provisional South Chilean 1963)

HIU

HITO XXV

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Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum

HJO

Hjorsey 1955, Iceland

HKD

Hong Kong 1963

HKE

Hong Kong 1980

HTN

Hu-Tzu-Shan, Taiwan

IGB

IGN (North Block, Bellevue)

IGN

IGN72 Nouvelle Caledonie

IND

Indian (Survey of India)

INF

Indian 1954

INH

Indian 1975, Thailand

IRL

Ireland 1965

IST

ISTS 073 Astro 1969, Diego Garcia

ITA

Itarare N Base, Itajuba-Santa, Catarina

JEU

British Honduras 1922

JOH

Johnstone Island 1961

KAN

Kandawala 1933, Lanka

KEA

Revised Kertau

KEG

Kerguelen Island 1949

KUS

Kusaie Astro Station 3, 1951, Kusaie Island, Caroline Islands

LAP

Le Pouce, Mauritius

LAT

Latvia

LCA

LC5 Astro 1961, Little Cayman and Cayman Brac

LIB

Liberia 1964 (Roberts Field Astro)

LIS

Lisboa (Castelo Di Sao Jorge), Portugal (International spheroid)

LUZ

Luzon (1911), Philippines

MAS

Massoua (Eritrea), Ethiopia

MDD

Madrid 1853, Spain

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Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum

MER

Merchich, Morocco

MET

Mercury Datum (Satellite Reference System Only)

MID

Midway Astro 1961

MIN

Minna, Nigeria

MOB

Monte Mario 1875, Rome (Also known as Rome 1875)

MOD

Monte Mario 1940, Rome (Also known as Rome 1940)

MOG

Mogadishu, Somalia

MOZ

Madzansua (Zumbo), Mozambique

MVS

Monavatu 1916, Viti Levu Island, Fiji Islands

NAG

Revised Nahrwan

NAH

Nahrwan, Iraq

NAN

Nanking 1960, China

NAP

Naparima 1955, Trinidad and Tobago

NAR

North American Datum 1983 (NAD83)

NAS

North American Datum 1927 (NAD27)

NUM

Vanua Levu, Fiji

OEG

Old Egyptian, Egypt

OGB

Ordnance Survey of Great Britain 1936

OGC

OSGB 1970 (Scientific Network)

OGD

OSGB 1980 adjustment (Scientific Network)

OHA

Old Hawaiian, Hawaiian Islands

OSI

Ordnance survey of Ireland (WOFO Grid)

OSL

Oslo Observatory (Old), Norway

OSN

Norwegian (New)

PAC

Panama Colon, Panama

PHA

Ayabelle Lighthouse (Phare D'Ayabelle), Djibouti

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Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum

PIT

Pitcairn Astro 1967

PLN

Pico de la Nieves, Gran Canaria, Canary Islands

POE

Port Etienne, Mauritania

POS

New Porto Santo

POT

Potsdam, Germany

PRI

Principe, Sinal Domorro Do Papagaio

PRP

Provisional South American 1956 PSAD56

PUR

Puerto Rico 1927, Puerto Rico, Greater Antilles

QAT

Qatar National

QUO

Qomoq, Greenland

REU

Reunion

REY

Reykjavik, Iceland

SAG

Sainte Anne-Island IGN 1951-52, Guadeloupe, Lesser Antilles

SAN

South American 1969

SAO

Sao Braz, Sao Miguel and Santa Maria, Azores

SAP

Sapper Hill 1943, Falkland Islands

SCK

Schwarzeck, Namibia

SEG

Segura, Borneo

SEI

South East Island, Seychelles

SFO

San Fernando Observatory, Spain

SGA

ISTS 061 Astro 1968, S Georgia

SGM

Selvagem Grande 1938, Madeira

SHO

Service Hydrographique et Oceanographic de la Marine 1984 (SHOM 1984), Martinique

SIL

Sierra Leone 1960

SMG

GS8 Astro 1953, Grenada, Lesser Antilles

SOA

South Asia

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Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum

SOO

Sao Tome

STO

Stockholm, Sweden

SWA

South West Africa

TAN

Tananarive Observatory 1925, Malagasy Rebublic

TEC

Tete, Mozambique

TIL

Timbalai 1948 (datum point), Sabah (Bessel 1841)

TIV

Timbalai 1948 (datum point), Sarawak + Brunei (Everest)

TOK

Tokyo, Japan

TOY

Tokyo Astronomical Observatory (Old) 1918

VAR

Varesmae (System 1937), Estonia

VID

HMS Vidal 1967 Astro

VIN

Vienna (Hermanskogel)

VLE

IGN 1957 (South Block, Tanna), Vanuatu (Also known as Tanna Astro 1957)

VOA

Fort Charlotte, St Vincent

WAK

Wake Island Astro 1952

WGC

World Geodetic System 1972 (WGS 1972)

WGD

World Geodetic System 1984 (WGS 1984)

YAC

Yacare, Uruguay

YED

Astro Yendegaia

XXX

OSI & OGB

YYY

IRL & OGB These codes are used where a chart has been compiled by fitting information on more than one datum directly to the chart graticule without making adjustments for the shift between the datums. They indicate that, at the scale of the chart, such differences are not plottable, and the chart may be regarded as being on either datum.

UND

Undetermined Code UND is used where it cannot be stated with any degree of certainty that positions read from the chart can be related to any one horizontal datum. Where it is possible to separately identify the datums to which different parts of the chart are referred, then the chart will be subdivided for geographic referencing purposes.

B-7

Operator’s Manual for the VMS-VT - February 1997

Table B-1. Datums Supported by the VMS-VT - Continued Code

Horizontal Datum In practice, there are large parts of the world where insufficient data exists to relate a chart to any specific horizontal datum.

B-8

Operator’s Manual for the VMS-VT - February 1997

Table B-2. Symbols Used During Chart Editing Symbol

Definition Light (exact position) Light (old buoy) Day beacon (red) Day beacon (green) or general day beacon on small scale charts Piles Stake Tower (exact position) Antenna (exact position) Racon Visible wreck Green beacon Cable Fish Pipe Radar reflector Obstruction, large

B-9

Operator’s Manual for the VMS-VT - February 1997

Table B-2. Symbols Used During Chart Editing - (Continued) Symbol

Definition Obstruction, small Dangerous submerged rock Dangerous rock Rock awash Dangerous wreck, vertical Dangerous wreck, horizontal Non-dangerous sunken wreck, vertical Non-dangerous sunken wreck, horizontal Submerged stake or pile Stack, chimney Water tower

Radar tower Antenna Large circle Exact position circle Very small circle Platform Lighted platform Can, cylinder buoy B-10

Operator’s Manual for the VMS-VT - February 1997

Table B-2. Symbols Used During Chart Editing - (Continued) Symbol

Definition Pillar buoy Nun, cone buoy Spar buoy Sphere buoy Unlighted buoy, NW Unlighted buoy, NE Unlighted buoy, SE Unlighted buoy, SW Lighted buoy, NW Lighted buoy, NE Lighted buoy, SE Lighted buoy, SW Mooring buoy, amber Lighted mooring buoy, amber Mooring buoy, euro Lighted mooring buoy, euro Superbuoy Lighted superbuoy Fixed light, NW

B-11

Operator’s Manual for the VMS-VT - February 1997

Table B-2. Symbols Used During Chart Editing - (Continued) Symbol

Definition Fixed light, NE Fixed light, SE Fixed light, SW Aero light, NW Aero light, NE

Articulated light, NW Articulated light, NE Lightship Pilot area Anchorage Forbidden anchorage Quarantine anchorage Deep water anchorage Danger

B-12

VMS-VT Operator’s Manual - Rev J, February, 1997

INDEX Advisory Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 ALARM DISPLAY button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1 Anchoring button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 ARCS Security button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-10 Attached To Chart button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 AUTO/MAN/LOCK button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-7 Autopilot Control window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Basics, VMS-VT Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Beeper On button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21 Bell Book report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23 BRITISH ADMIRALTY ARCS CHARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Center and CNTR Area Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6 Center button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-5 Change Origin button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2 Chart Additions button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Chart Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-3 Chart Catalog button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Chart Digitizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22 Chart Display Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Chart Information Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-9 Chart Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 CHART NOTATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 Deleting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 Modifying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 Chart Selection Automatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 from the Active Portfolio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 from the Chart Catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4 Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 Clear Portfolio button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Close button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Cntr Area button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-6 Colors button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Computed Sensor button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 COMPUTED SENSORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21 CONFIGURING THE SAFETY ZONE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3 Copying Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19 Course button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 DANGER AREA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Creating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Deleting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-11 Modifying . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10 Dangers button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4

Index-1

VMS-VT Operator’s Manual - Rev J, February, 1997 Danger Area Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2 Dangers button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Data Entry and Display Boxes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Data Log report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24 DATA LOGGING AND PLAYBACK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11 DATUM MESSAGES AND ALARMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2 Deleting Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20 Depth button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 DIAGNOSTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27 Diagnostics button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27 Display Colors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 DISPLAY FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 Display Overlays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Draft button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 EBL 1 button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 EBL 2 button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Electronic Bearing Lines (EBL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 ELECTRONIC CHART BASICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1 ELECTRONIC CHART CONTROLS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Electronic Charts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5, 3-1 ELECTRONIC CHARTS, CREATING AND EDITING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-22, 3-28 Event Mark button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26 EXECUTING VOYAGE PLANS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 Advisory Mode vs. Nav Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 Creating and Starting Temporary Plans: TTMG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Pilot Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Starting a Stored Voyage Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 Starting a Voyage Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Voyage Plan Summary Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25 Features button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13 File Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-19 G Spd button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Guard button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 Guard Ring Control window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 Heading button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 History Menu button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17 Info Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-9 INITIAL SET-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9 Initial Set-up Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 INPUT DEVICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Keyboards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Log/Playback button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-12 Main Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Man Ovbd button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 MAN OVERBOARD display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 MAN/LOCK/AUTO button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Manual Data button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12

Index-2

VMS-VT Operator’s Manual - Rev J, February, 1997 Manual Input for Sensor Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 MOB Data window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-6 Mouse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 Move button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Moveable Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Nav Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-13 Navlines button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17, 6-5 Noon report . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-24 Offset Button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-5, 3-7 OPERATOR MESSAGE OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Overlays button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 Ownship Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 PFM button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21 Pilot Control button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-19 Plan Summary button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-25 Planning Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5 PLAYBACK WINDOW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-11 Plot Controller button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-9 Pop-up Selection Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 Portfolio And Chart Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2 Portfolio Editor button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Portfolio Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3 PORTFOLIOS, CREATING AND EDITING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18 Position button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Position Filter Module (PFM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21 Position Offset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14 Position on Chart button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 PRECISE ANCHORING window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7 PURPOSE, VMS-VT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 Query button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 Query Opt button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-3 QUIT VMS SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 Quit VMS System button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 Radar Navlines button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 Radar Target Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 RASCAR Targets and Navlines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 REPORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-23 Reveal Chart button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5 RTP Temporary Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24 S57 Chart Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14 Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 SAFETY CHECKING BASICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1 SAFETY CONFIG button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 Selecting a Chart and Chart Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 Sensor Data Integration and Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Sensor Data Manual Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12 Sensor Data Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Set & Drift button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11

Index-3

VMS-VT Operator’s Manual - Rev J, February, 1997 SHIP SYMBOLS/CHART WARNINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5 Slew On Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-22 Software Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8 Speed Control button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14 Stored Voyage Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Sub-menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6 SYSTEM OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 SYSTEM STARTUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1 Target Symbols button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 Targets button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9 Targets Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16 Temporary Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Time/Date button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 Touch Calibration button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27 Touchscreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 TOUCHSCREEN CALIBRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27 Trackball . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3 TTMG button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22 Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16 V Plan button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-14 Variable Range Marker (VRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 Vector button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17 VMS-VT SOFTWARE BASICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4 Voyage Plan Editing Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-13 Voyage Plan Running Safety Checking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-12 VOYAGE PLANNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Creating a Stored Voyage Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 Editing an Existing Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8 Entering Data for the First Waypoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 Entering Initial Plan Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3 Great-Circle and Composite Sailing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-10 Stored Voyage Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1 Temporary Plans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 VP Editor button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2 VRM button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1 W Spd button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11 Z In button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-8 Z Out button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2, 3-8, 3-10 Zone button . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18 Zooming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Index-4