Introduction to Garmin marine radar Owner's Manual Model GMR 21/41 :
Thank you for choosing Garmin's GMR 21/41 marine radar. The
addition of the GMR 21/41 marine radar to your Garmin Marine
Network, enhances the capability of your system by adding graphical radar data to your Garmin chartplotter.
Garmin marine radar Owner's Manual Model GMR 21/41 Table of Contents:
Introduction...........................................................................i
About This Manual................................................................... i
Terminology used Throughout this Manual........................... i
GMR 21/41 Operation
Radar Overview
The Radar Page
Radar Page Layout
Range Rings
Heading Line
Digital Navigation Data
The Radar Configuration Page
The Radar Adjustment Menu
Gain
Sea Clutter
Rain Clutter
FTC (Fast Time Constant)
Zoom
Target Expansion
Trails
Guard Zone
VRM/EBL
MARPA
MARPA Setup
Hide/Show Navigation Features
Additional Adjustment Menu Items
Map Cursor On/Off
Setup
The General Tab
The Display Tab
The MARPA Tab
The Advanced Tab
Enter Standby/Begin Transmitting
Map Page Radar Overlay
Appendix
European License Requirements
Specifications
FCC Compliance
Declaration of Conformity
Software License Agreement
Limited Warranty
Warning and Cautions
GMR 21/41 Owner's Manual 1
GMR 21/41 OPERATION
Radar Overview
Here Is the Cover Page Text:
Owner's Manual marine radar GMR 21/41