Uniden UM385 Owner's Manual page 39

Problem
The radio won't transmit.
Noise comes out of the speaker
all the time
I can't hear anything (no volume)
from the speaker.
I can transmit, but no one can
hear me.
The display flashes, and I don't
know why.
I can't read the display.
The display is too bright at night.
I can't see any words on the
display.
I'm not getting any GPS data on
my display.
I'm not getting any hazard alerts.
Things to Try
Make sure you are not in weather or scan mode.
Make sure you are not trying to transmit on a
receive-only channel (see the channels and
frequency tables beginning on page 50).
Make sure you are transmitting at the correct
power level for this channel (see the channels and
frequency tables beginning on page 50).
Make sure the duration of each transmission is less
than 5 minutes.
Adjust the squelch level; it is probably too low.
Adjust the squelch level; it is probably too high.
Check your UIC channel settings [see Setting the
UIC channel mode (USA/CAN/INT) on page 5].
The display will flash if the radio is in a watch mode
or in scan mode. Try turning off scanning, Weather
Alert Watch, or Triple/Dual Watch (see page 11).
Adjust the contrast and backlight brightness level (see
page 19).
Adjust the backlight brightness level.
Turn off the radio; hold CALL-MENU button and turn
it back on (see page 19).
Reset the radio back to the default brightness level:
turn off the radio; hold the CALL-MENU button and
turn it back on.
Make sure your GPS receiver is correctly
connected (see Connecting to a GPS receiver,
page 40).
Make sure your GPS receiver is working properly.
Make sure that your GPS receiver supports the
NMEA parameters described in NMEA Operation
on page 41.
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 17).
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