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Table of Contents
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Summary of Contents for Garmin GMR 21/41
- Page 1 GMR 21/41 marine radar installation instructions...
- Page 2 Information in this document is subject to change without notice. Garmin reserves the right to change or improve its products and to make changes in the content without obligation to notify any person or organization of such changes or improvements.
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Page 3: Contact Garmin
Product Support Registration Help us better support you by completing our on-line registration today! Have the serial number of your GMR 21/41 handy, and connect to our Web site (www.garmin.com). Look for the Product Registration link on the Home page. Also, be sure to record your serial number in the area provided on this page. - Page 4 12.5° 12.5°...
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Page 5: Installation
1. When a suitable mounting location has been determined, verify that the mounting hole locations are aligned fore and aft, then drill four 9.5 mm (0.37") mounting holes referencing Figure 1 below. (This step is not necessary if you are using a pre-drilled Garmin compatible or Raymarine mount.) -
Page 6: Final Wiring Connections
GPS 17 RADAR Garmin GPSMAP MFD Stand Alone Network Garmin GMS 10 Marine Network Port Expander Garmin GPSMAP MFD to transducer Expanded Network GA 31 Garmin GDL 30/30A Marine Weather/Audio Satellite Receiver Garmin GPSMAP MFD GMR 21/41 Marine Radar Installation Instructions... -
Page 7: Powering On The System
5. Once an offset has been determined, press ENTER to save, then press QUIT to return to the Radar Page. Your new Garmin marine radar is now ready to use! Refer to the GMR 21/41 Owner’s Manual for details about operating the scanner. -
Page 8: Specifications
Gain, Sea Clutter, Rain Clutter, and Frequency Tune Radar/Chart Synchronization: Overlay mode. Split overlay with standard radar presentation. Off Center Function: Look ahead, Auto Shift, and Manual RF Transmit Frequency: 9410 ± 30 MHz GMR 21/41 Marine Radar Installation Instructions... - Page 9 7.95" (202.0 mm) 24.02 (610.0 mm) Towards Bow 9.17" (233.0 mm) 12.00" 5.57" 6.44" (304.7 mm) (141.5 mm) (163.5 mm) GMR 21/41 Marine Radar Installation Instructions...
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Page 10: Warnings And Cautions
FCC Compliance The GMR 21/41 complies with Part 80 of the FCC rules. It has received a grant of equipment authorization, issued under the authority of the FCC. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. -
Page 11: Software License Agreement
Garmin dealer for repairs. The GMR 21/41 is fastened shut with screws. Any attempt to open the case to change or modify the unit in any way will void your warranty and may result in permanent damage to the equipment. - Page 13 © Copyright 2006 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 E 151st Street, Olathe, Kansas 66062 U.S.A. Tel. 913/397.8200 Fax. 913/397.8282 Garmin (Europe) Ltd. Unit 5, The Quadrangle, Abbey Park Industrial Estate, Romsey, SO51 9AQ U.K. Tel. 44/0870.8501241 Fax.