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Problem Things to Try
I can’t see any words on the
display.
Reset the radio back to the default brightness level:
turn off the radio; hold the CALL-MENU button and
turn it back on.
I’m not getting any GPS data
on my display.
Make sure your GPS receiver is correctly
connected (see Connecting to a GPS receiver,
page 31).
Make sure your GPS receiver is working properly.
Make sure that your GPS receiver supports the
NMEA parameters described in NMEA Operation
on page 46.
I’m not getting any hazard
alerts.
Make sure Weather Alert Watch is turned on.
Check to make sure the FIPS codes in your radio
include your current location (see Using FIPS
codes for weather alerts on page 15).
I’m getting all the hazard
alerts, not just the ones for
my area.
Check to make sure the FIPS codes in your radio
were entered correctly (see Using FIPS codes for
weather alerts on page 15).
Sometimes the Weather Alert Watch may catch
a hazard alert in the middle of the broadcast and
miss which FIPS codes are affected. For your safe-
ty, the radio triggers the alert tone and switches to
the weather channel when this happens.
I can’t make Group DSC
calls.
Make sure the Group MMSI was entered correctly.
Where can I nd my radio’s
serial number?
Look on the right side of the radio (the side with the
microphone cord), behind the mounting bracket.
The radio won’t let me enter
my User MMSI. What do I
do?
Contact customer service.
Engine Noise Suppression
Interference from the noise generated by the electrical systems of engines is sometimes a
problem with radios. Your radio has been designed to be essentially impervious to ignition
noise and alternator noise. However, in some installations it may be necessary to take
measures to further reduce the effect of noise interference. Your radio’s DC battery wires,
antenna lead, and accessory cables should be routed away from the engine and engine
compartment, and from power cabling carrying high currents. In severe cases of noise
interference, it may be necessary to install a noise suppression kit. Contact the dealer where
you purchased the radio for more information.
UM380_20101221.indd 35 4/13/2011 11:25:18 AM