E-51
Maintenance and Troubleshooting
Problem
Things to Try
The radio won’t power on.
Check the power connections.
Check the fuse.
Check the master battery switch and
branch circuit that connect to the radio.
The radio won’t transmit.
Make sure you are not in weather or
scan mode.
Make sure you are not trying to trans-
mit on a receive-only channel (see the
channels and frequency tables starting
on page 57).
Make sure you are transmitting at the
correct power level for this channel (see
the channels and frequency tables start-
ing on page 57).
Make sure the duration of each trans-
mission is less than 5 minutes.
Noise comes out of the speaker all the
time
Adjust the squelch level; it is probably
too low.
I can’t hear anything (no volume) from
the speaker.
Adjust the squelch level; it is probably
too high.
I can transmit, but no one can hear me.
Check your UIC channel settings (see
Setting the UIC channel mode (USA/
CAN/INT) on page 10).
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why.
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watch mode or in scan mode. Try turn-
ing off scanning, Weather Alert Watch,
or Triple/Dual Watch (see pp 14, 15, and
16).
I can’t read the display.
Adjust the contrast and backlight bright-
ness level (see page 23)
The display is too bright at night.
Adjust the backlight brightness level.
Turn off the radio; hold menu key and
turn it back on (see page 23)
I can’t see any words on the display.
Reset the radio back to the default
brightness level: turn off the radio; hold
the menu key and turn it back on.
Common questions
Содержание VHF650
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