Item
GMR 18 xHD
GMR 24 xHD
À
233 mm (9
3
/
16
in.)
233 mm (9
3
/
16
in.)
Á
176.7 mm (6
15
/
16
in.)
245.4 mm (9
11
/
16
in.)
Â
141.5 mm (5
9
/
16
in.)
141.5 mm (5
9
/
16
in.)
Ã
190 mm (7 ½ in.)
258.5 mm (10
3
/
16
in.)
Ä
139.2 mm (5 ½ in.)
207.7 mm (8
3
/
16
in.)
Å
141.5 mm (5
9
/
16
in.)
141.5 mm (5
9
/
16
in.)
Æ
227.5 mm (8
15
/
16
in.)
296.2 mm (9
11
/
16
in.)
Installation Troubleshooting
Symptom
Possible Causes
The radar does
not power on (no
status LED).
• The power cable may not be connected correctly
to the device or to the battery. Check all
connections.
• The inline fuse may have blown. Check the fuse
and replace it if necessary.
• The wire gauge used to extend the power cable
may be too small for the length of the extension.
Check the table provided in the Power Cable
Extensions section of these instructions to make
sure the correct wire gauge is used.
The radar is not
available on the
Garmin device or
on devices
connected to the
Garmin Marine
Network.
• The device software may not be up-to-date.
Update the software on the device or on the
Garmin Marine Network.
• The network cable may not be connected
correctly to the device or to the Garmin Marine
Network. Check all connections.
• If a field-installable network connector was used,
it may have been installed improperly. Check the
connector.
The status LED is located on the product label, and can help
troubleshoot installation problems.
Status LED Color and
Activity
Radar Status
Solid red
The radar is getting ready for use.
Flashing green
The radar is operating properly.
Status LED Color and
Activity
Radar Status
Flashing orange
The radar software is being updated.
Flashing red
The radar has encountered an error. Contact
Garmin product support for assistance.
Garmin
®
and the Garmin logo are trademarks of Garmin Ltd. or its subsidiaries, registered in the USA and other countries. GMR
™
is a trademarks of Garmin Ltd. or its subsidiaries. These trademarks may not
be used without the express permission of Garmin.
© 2013-2014 Garmin Ltd. or its subsidiaries
www.garmin.com/support
TA-2013/1848
2302
