Garmin GMR 21/41 User Manual
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GMR 21/41 Owner’s Manual
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Table of Contents
Introduction ...........................................................................i
Installing Your GMR 21/41 ....................................................... i
About This Manual ................................................................... i
Manual Conventions ........................................................................i
Product Registration .............................................................. iii
Contact Garmin ..............................................................................iii
Software License Agreement ................................................ iii
Warning ................................................................................... iv
Important Information ............................................................ iv
Basic Operation ...................................................................1
Understanding Radar .............................................................. 1
Understanding the Radar Display ...................................................2
Radar Page ............................................................................... 3
Configuring the Radar Page ............................................................3
Using the Radar Adjustment Menu ................................................4
Map Page Radar Overlay ........................................................ 9
Radar Tab ............................................................................... 10
General Sub Tab............................................................................10
Display Sub Tab ............................................................................ 11
MARPA Sub Tab...........................................................................12
Advanced Sub Tab ........................................................................13
Appendix ............................................................................14
Specifications ........................................................................ 14
European License Requirements ........................................ 15
Declaration of Conformity (DoC) ......................................... 15
Limited Warranty ................................................................... 16
FCC Compliance .................................................................... 17
Industry Canada Compliance ............................................... 17
Index ...................................................................................18