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ii GMR 21/41 Owner’s Manual
INTRODUCTION > TABLE OF CONTENTS
Introduction ...........................................................................i
About This Manual ................................................................... i
Terminology used Throughout this Manual ........................... i
GMR 21/41 Operation ..........................................................1
Radar Overview ....................................................................... 1
The Radar Page ....................................................................... 1
Radar Page Layout ..........................................................................3
Range Rings .............................................................................. 4
Heading Line ............................................................................. 4
Digital Navigation Data ............................................................4
The Radar Configuration Page ............................................... 5
The Radar Adjustment Menu .................................................. 5
Gain ................................................................................................ 6
Sea Clutter ...................................................................................... 6
Rain Clutter ..................................................................................... 7
FTC (Fast Time Constant) ..............................................................7
Zoom ............................................................................................... 8
Target Expansion ............................................................................8
Trails ............................................................................................... 9
Guard Zone ..................................................................................... 9
VRM/EBL ..................................................................................... 10
MARPA ......................................................................................... 11
MARPA Setup .............................................................................12
Hide/Show Navigation Features ...................................................13
Additional Adjustment Menu Items ............................................. 13
Map Cursor On/Off .......................................................................14
Setup ............................................................................................. 14
The General Tab ...................................................................... 14
The Display Tab ...................................................................... 15
The MARPA Tab .....................................................................16
The Advanced Tab .................................................................. 16
Enter Standby/Begin Transmitting ............................................... 17
Map Page Radar Overlay ...................................................... 17
Appendix ............................................................................19
European License Requirements ........................................ 19
Specifications ........................................................................ 20
FCC Compliance .................................................................... 21
Declaration of Conformity .................................................... 21
Software License Agreement ............................................... 22
Limited Warranty ................................................................... 22
Warning and Cautions .......................................................... 24