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6

GMR 404/406 Marine Radar Installation Instructions

Step

 

 

Connecting the scanner

Connect the scanner power cable (Red and Black) to Voltage Converter output cable (Red and Black) using the supplied heat-shrink crimp 

connectors. DO NOT cut the scanner cable and DO NOT remove the in-line fuse located on the scanner power cable. After crimping the 

connections, heat the connectors to shrink the housing for a water resistant fit. 
Connect the scanner to the vessel’s water ground using an 8 gauge copper cable. The scanner connection should be made on one of the four 

mounting studs using a M10 nut and flat washer to secure the cable. 

Wiring Diagram

Summary of Contents for GMR 190-00669-02

Page 1: ...GMR 404 406 marine radar installation instructions...

Page 2: ...r other electronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete tex...

Page 3: ...___ __ Contact Garmin Contact Garmin if you have any questions while using your GMR 404 406 In the USA contact Garmin Product Support by phone 913 397 8200 or 800 800 1020 Monday Friday 8 AM 5 PM Cent...

Page 4: ...be mounted out of range of personnel horizontal beam width above head height When the scanner is transmitting do not look directly at the antenna at close range because the eyes are the most sensitive...

Page 5: ...plate If the end with the hatch is pointed toward the bow the Bearing Offset in the chartplotter must be set to 180 Figure 4 To mount the scanner 1 Determine a suitable mounting location and tape the...

Page 6: ...eters 16 4 ft 10 AWG 6 5 meters 21 3 ft 9 AWG 8 meters 26 2 ft 8 AWG To RF ground To ship s power Step Install the Voltage Converter Unit The voltage converter requires an input voltage of 10 40VDC an...

Page 7: ...k Avoid running the cable near moving objects high heat sources or through doorways and bilges Avoid installing the cable next to or parallel to other cables such as radio antenna lines or power cable...

Page 8: ...rs DO NOT cut the scanner cable and DO NOT remove the in line fuse located on the scanner power cable After crimping the connections heat the connectors to shrink the housing for a water resistant fit...

Page 9: ...RJ 45 marine network cable to an open RJ 45 socket on the GMS 10 network power expander Tighten the RJ 45 locking ring clockwise until it is firmly sealed NOTE Each component of the expanded network m...

Page 10: ...llation requires a 180 offset change the Front of Boat Offset to 180 and test the radar If the Front of Boat Offset needs further adjustment continue with the procedure below Using a magnetic compass...

Page 11: ...otted waveguide Horizontal Beamwidth 1 1 degrees Horizontal Sidelobes 25 dB within 10 deg of main 30 dB outside 10 deg of main Vertical Beamwidth 24 degrees Antenna Gain 30 dBi Polarization Horizontal...

Page 12: ...m long 8 4 lbs 3 8 kg Radar Display Features Presentation Modes North up Course up Heading up VRM EBL 2 user adjustable capable of floating Bearing Accuracy 1 degree Controls Auto Manual Gain Adjust...

Page 13: ...404 406 Marine Radar Installation Instructions 11 5 91 5 51 7 87 7 87 L 12 87 326 8 mm 12 34 17 35 Model L GMR 404 51 6 1310 mm GMR 406 75 7 1923 mm 313 5 mm 440 8 mm 200 0 mm 200 0 mm 140 0 mm 150 0...

Page 14: ...or mode prior to actual use When in actual use carefully compare indications from the GMR 404 406 to all available navigation sources including the information from other NAVAIDs visual sightings char...

Page 15: ...STATE IN NO EVENT SHALL GARMIN BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PROD...

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Page 17: ...ww garmin com 2006 2010 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Unit 5 The Quadrangle Abbey Park Industrial Estate Roms...

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