Garmin GMR 20 Installation Manual Download Page 10

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GMR 20/40 Radar Installation Manual

Warning and Cautions

CAUTION:

 Use the GMR 20/40 at your own risk. To reduce the risk of unsafe operation, carefully review and understand all aspects of 

this Owner’s Manual, and thoroughly practice operation using the simulator mode prior to actual use. When in actual use, carefully compare 

indications from the GMR 20/40 to all available navigation sources, including the information from other NAVAIDs, visual sightings, charts, 

etc. For safety, always resolve any discrepancies before continuing navigation.

CAUTION:

 IT IS THE USER’S RESPONSIBILITY TO USE THIS PRODUCT PRUDENTLY. THIS PRODUCT IS INTENDED TO BE 

USED ONLY AS A NAVIGATIONAL AID AND MUST NOT BE USED FOR ANY PURPOSE REQUIRING PRECISE MEASUREMENT 

OF DIRECTION, DISTANCE, LOCATION, OR TOPOGRAPHY.

WARNING:

 This product, its packaging, and its components contain chemicals known to the State of California to cause cancer, birth defects, 

or reproductive harm. This Notice is being provided in accordance with California’s Proposition 65. If you have any questions or would like 

additional information, please refer to our web site at 

http://www.garmin.com/prop65.

WARNING:

 The radar scanner transmits electromagnetic energy. Ensure that the scanner has been installed according to the recommendations 

given in this guide, and that all personnel are clear of the scanner, before switching to transmit mode.

FCC Compliance

The GMR 20/40 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. However, there is no guarantee that interference will not occur in a particular installation. 

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and 

on, the user is encouraged to try to correct the interference by one of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
•  Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Summary of Contents for GMR 20

Page 1: ...GMR 20 40 marine radar installation guide...

Page 2: ...ictly prohibited 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 n...

Page 3: ...e Also be sure to record your serial number in the area provided on this page Serial Number Use this area to record the serial number in case it is lost stolen needs service or if you need to contact...

Page 4: ...personnel horizontial beam width above head height Do not look directly at the antenna at close range as your eyes are the most sensitive part of the body to electromagnetic energy When properly inst...

Page 5: ...ounting thicknesses of 5 10 mm 3 8 recommended For surfaces over 10 mm 3 8 locally supplied longer bolts are needed The bolts should be torqued to between 13 7 18 6 N m 10 14 lbf ft Cable Runs Route t...

Page 6: ...the RJ 45 Marine Network Cable to the RJ 45 socket on the back of the MFD For an expanded network MFD Radar GMS 10 etc attach the RJ 45 Marine Network Cable to an open RJ 45 socket on the GMS 10 Netw...

Page 7: ...g Bearing Offset It may be necessary to adjust the bearing of the radar picture shown on the screen First using a magnetic compass take an optical bearing of a stationary target located within viewabl...

Page 8: ...tive humidity up to 95 at 35 C Beamwidth Horizontal beamwidth of 3 6 nominal Vertical beamwidth of 25 nominal Range GMR 20 24 nm GMR 40 36 nm Wind Velocity Wind speed up to 100 Kts Antenna RPMs 24 rpm...

Page 9: ...7 GMR 20 40 Radar Installation Manual Towards Bow Towards Stern 28 710 0 mm 8 40 213 5 mm 5 57 141 5 mm 13 97 355 0 mm 8 205 4 mm 9 17 233 0 mm...

Page 10: ...al information please refer to our web site at http www garmin com prop65 WARNING The radar scanner transmits electromagnetic energy Ensure that the scanner has been installed according to the recomme...

Page 11: ...CHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUTORY OR OTHERWISE THIS WAR RANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INC...

Page 12: ...rnational GARMIN Corporation Manufacture s Address 1200 E 151st Street No 68 Jangshu 2nd Rd Olathe Kansas 66062 Shijr Taipei County U S A TAIWAN R O C Authorised Representative GARMIN Europe Ltd The Q...

Page 13: ...2 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 44 0870 8501251 Garmin Corporation No 68 Jang...

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