background image

GMR 404/406 Marine Radar Installation Instructions

Failure to avoid the following potentially hazardous situations could result in an accident or collision resulting in death or serious injury.

•  Use this unit only as a navigational aid. Do not attempt to use the unit for any purpose requiring precise measurement of direction, distance, location, or 

topography. 

•   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.

•  For protection from lightning, this installation must conform to NFPA code, section 302. The installation of a lightning protective mast is recommended, 

and the scanner must be connected to water ground using an 8 gauge copper cable.

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 provided in accordance with California’s Proposition 65. See 

www.garmin.com/prop65

 for more information.

Warnings and Important Information

CaUtIoN

: Use the GMR 404/406 at your own risk. To reduce the risk of unsafe operation, carefully review and understand all aspects of 

this Installation Manual, and thoroughly practice operation using the simulator 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, charts, 

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

FCC Compliance

The GMR 404/406 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.

.

This product does not contain any user-serviceable parts. Repairs should only be made by an authorized Garmin service center. Unauthorized 

repairs or modifications could result in permanent damage to the equipment, and void your warranty and your authority to operate this device 

under Part 15 regulations.

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...

Page 16: ......

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...

Reviews: