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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.
Product Support Registration Help us better support you by completing our on-line registration today! Have the serial number of your GMR 20/40 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.
Scanner Installation The following section covers the installation and setup of the GMR 20 (2 kW) and GMR 40 (4 kW) Marine Radars. The GMR 20 and 40 only operate with components of the Garmin Marine Network with compatible MFD (Mulit-Function Displays). See your Garmin dealer or the Garmin web site for more details.
1. Once 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.)
5. Once an offset has been determined, press ENTER to save and press QUIT to return back to the Radar Page. Your new Garmin Marine radar is now ready to use! Refer to the GMR 20/40 Owner’s manual (190-00457-00) for details on operating the scanner.
-25°C to 70°C, and a relative 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:...
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.
Garmin retains the exclusive right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.
SO51 9DL, U.K. Type of Equipment: Marine Radar Model Number(s): GMR20/40 The undersigned does hereby declare that the equipment complies to the above Directives Paul Morrow Quality Manager GARMIN (Europe) Ltd Date: 19 April 2004 GMR 20/40 Radar Installation Manual...
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