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GMR 20/40 Radar Installation Instructions

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ELCOME

Thank you for choosing the Garmin GMR 20/40. The GMR 20/40 utilizes the performance of Garmin radar and provides overlay and color 

information when combined with a marine Multi-Function Display (MFD).

Contact Garmin

If you should encounter any difficulty while using your GMR 20/40, or if you have any questions, in the U.S.A. contact Garmin Product 

Support by phone: 913/397-8200 or 800/800-1020, Monday thru Friday, 8 am to 5 pm Central Time; or by e-mail at [email protected]. In 

Europe, contact Garmin (Europe) Ltd. at 44/0870.8501241.

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.

Serial Number

Use this area to record the serial number in case it is lost, stolen, needs service, or if you need to contact Product Support. The 8-digit number is 

located on the bottom of the unit and on the outside of the product box. It is advisable to record this number prior to installation of the scanner. 

Be sure to keep your original sales receipt in a safe place or attach a photocopy inside the manual.

 

NOTE: 

The Garmin GMR 20/40 has no user-serviceable parts. Should you ever encounter a problem with your unit, please take it to an authorized 

Garmin NMEA dealer or contact Garmin Product Support for repairs. 

Packing List

Before installing and getting started with your unit, please check to see that your package includes the following items. 

If any parts are 

missing, please contact your Garmin dealer immediately.
Standard Package:

•   GMR 20 or 40 Radar Unit
•   Power/Marine Network Cable
•   Installation Manual
•   Mount Kit Hardware
•   Grommet for Marine Cable

Summary of Contents for GMR 20/40

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

Page 2: ...manual or any revision hereto is strictly 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...

Page 3: ...page 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 cont...

Page 4: ...your eyes are the most sensitive part of the body to electromagnetic energy When properly installed and operated the use of this radar conforms to the requirements of ANSI IEEE C95 1 1992 Standard for...

Page 5: ...used on mounting 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 lb ft Cable Run...

Page 6: ...e with fuse holder to the vessel s positive power terminal 3 For a stand alone network MFD and Radar only attach the RJ 45 Marine Network Cable to the RJ 45 socket on the back of the MFD For an expand...

Page 7: ...g 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 viewable range...

Page 8: ...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...

Page 9: ...GMR 20 40 Radar Installation Instructions 7 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: ...onal 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 recom...

Page 11: ...ROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT Some states do not allow the exclusion of incidental or consequential damages so the above limitations may not apply...

Page 12: ...anted Emissions in the Out of Band Domain ITU RM 1177 Unwanted Emissions Techniques for Measurement Notified Body number 0191 Manufactured by GARMIN International GARMIN Corporation Manufacture s Addr...

Page 13: ......

Page 14: ...062 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 Ja...

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