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Connecting to Power Through the Voltage Converter

 WARNING

When connecting the power cable, do not remove the in-line fuse holder. To prevent the possibility of injury or 
product damage caused by fire or overheating, the appropriate fuse must be in place as indicated in the product 
specifications. Connecting the power cable without the appropriate fuse in place voids the product warranty.

NOTICE

Do not reuse any voltage converters from previous Garmin radar models, or third party voltage converters. Using 
any converter other than one included with the radar, or the correct converter purchased from Garmin or from 
your local Garmin dealer may damage the radar or prevent it from turning on.

Some radar models require a voltage converter unit to properly power the device. If your model is packaged with 
a voltage converter, it must be installed in order for your radar to function. If your model is not packaged with a 
voltage converter, connect the power cable directly to the boat battery (

Connecting Directly to Power, page 10

).

NOTE: Although some radar models do not require and are not packaged with a voltage converter, you can 
purchase one from your local Garmin dealer or you can go to 

buy.garmin.com

. Using a voltage converter with 

these models allows them to withstand stronger winds. See the specifications section for details.
When installing the voltage converter, observe these considerations.
• The voltage converter requires an input voltage of 10 to 32 Vdc.
• You should install the voltage converter as close as possible to the power source.
• Connecting the power cable for the voltage converter directly to the battery is recommended. If it is 

necessary to extend the cable, you must use the appropriate gauge of wire for the length of the extension 
(

Power Cable Extensions, page 11

).

9

Summary of Contents for GMR 430 XHD3 Series

Page 1: ...fire or overheating the appropriate fuse must be in place as indicated in the product specifications Connecting the power cable without the appropriate fuse in place voids the product warranty CAUTION...

Page 2: ...screwdriver 5 mm hex wrench Drill and 15 0 mm 19 32 in drill bit 17 mm 21 32 in wrench and torque wrench A length of 3 31 mm 12 AWG copper wire to ground the radar housing and voltage converter if app...

Page 3: ...d the Garmin network Wiring and Connection Considerations page 8 The radar beam spreads vertically 11 5 above and 11 5 below the radar s radiating element On vessels with higher bow angles at cruise s...

Page 4: ...you need to run the power and network cables through the mounting surface select a location under the power and network connectors indicated on the template drill a pass through hole for the cables u...

Page 5: ...ct a mounting location and prepare the mounting surface and the radar Preparing the Surface and the Radar for Mounting page 4 1 Take note of which end of the pedestal you plan to mount facing the bow...

Page 6: ...d feed them into the mounting surface so they fit securely 4 Place the flat washers lock washers and hex nuts on the threaded rods 5 Torque the hex nuts to 1 5 kgf m 130 lbf in 11 lbf ft to securely f...

Page 7: ...1 Remove the protective cover from the waveguide on the top of the pedestal 2 Remove the mounting hardware from the bottom of the antenna These screws and washers are used to secure the antenna to th...

Page 8: ...rine sealant to the grommet after the cables are in place to ensure a waterproof seal When installing the cables you should observe these considerations The ground cable is not included and must conne...

Page 9: ...kaged with a voltage converter it must be installed in order for your radar to function If your model is not packaged with a voltage converter connect the power cable directly to the boat battery Conn...

Page 10: ...perly 4 Connect the power cable to the POWER port on the radar Connecting Directly to Power WARNING When connecting the power cable do not remove the in line fuse holder To prevent the possibility of...

Page 11: ...R port on the radar Power Cable Extensions Connecting the power cable directly to the battery is recommended If it is necessary to extend the cable the appropriate gauge of wire must be used for the l...

Page 12: ...to the water ground location on the boat and coat the connection with marine sealant 5 Select an option If your radar was not packaged with a voltage converter no further grounding is necessary If yo...

Page 13: ...Garmin network devices it shares the radar data over the network with all of the compatible connected devices Additional Garmin network cables cable extensions and adapters are available from your Ga...

Page 14: ...t located within viewable range 2 Measure the target bearing on the radar 3 If the bearing deviation is more than 1 degree set the front of boat offset 4 From a radar screen select Options Radar Setup...

Page 15: ...530 xHD3 25 KW Beam width 4 ft antenna 1 8 degrees horizontal 23 degrees vertical 6 ft antenna 1 1 degrees horizontal 23 degrees vertical Bearing accuracy 0 25 degrees Input voltage GMR 430 xHD3 From...

Page 16: ...ies the maximum distances from the antenna at which radio frequency RF levels can be expected These minimum safe distances apply for a transmitting radar with a rotating antenna and are much larger wh...

Page 17: ...on to the front of the pedestal 25 mm 1 in Center of rotation to the inner rear mounting holes 125 mm 4 15 16 in Center of rotation to the inner front mounting holes 50 mm 1 15 16 in Center of rotatio...

Page 18: ...gth 45 1 cm 17 3 4 in Base of the pedestal to the top of the antenna 31 8 cm 12 1 2 in Width of the pedestal Open Source Software License To view the open source software license s used in this produc...

Page 19: ...Garmin network Check all connections If a field installable network connector was used it may have been installed improp erly Check the connector The status LED is located on the product label and ca...

Page 20: ...2023 Garmin Ltd or its subsidiaries support garmin com...

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