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MAINTENANCE
15
67
■
Troubleshooting
If your transceiver seems to be malfunctioning, please check
the following points before sending it to a service center.
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
No power comes on.
• Power connector has a poor contact.
• Polarity of the power connection is reversed.
• Blown fuse.
• Check the connector pins.
• Reconnect the power cable observing the
proper polarity. Replace the fuse, if damaged.
• Check the cause, then replace the fuse.
—
pgs.
13, 69
p. 69
No sound comes from the
speaker.
• Volume level is too low.
• The squelch level is set too tight.
• A selective call or squelch function is activated
such as pocket beep or tone squelch.
• Rotate [VOL] clockwise.
• Set the squelch level to the threshold.
• Turn the appropriate function OFF.
p. 20
p. 20
pgs.
50, 51
Sensitivity is low and only
strong signals are audible.
• Antenna feedline or the antenna connector sol-
der has a poor contact or is short circuited.
• Check, and if necessary, replace the feedline or
solder the antenna connector again.
p. 14
No contact possible with an-
other station.
• The transceiver is set to semi-duplex.
• The other station is using tone squelch.
• Set to simplex.
• Turn ON the tone squelch function.
p. 24
p. 51
Repeater cannot be ac-
cessed.
• Wrong offset frequency is programmed.
• Wrong subaudible tone frequency is pro-
grammed.
• Correct the offset frequency.
• Correct the subaudible tone frequency.
p. 27
p. 26
Frequency cannot be set.
• The frequency lock function is activated.
• Priority watch is paused on the watching fre-
quency.
• Turn the function OFF.
• Push [
(M/CALL)
PRIO] to resume the watch.
p. 16
p. 45
Frequency cannot be set via
the microphone.
• The frequency lock function is activated.
• The microphone keypad lock function is acti-
vated.
• Priority watch is paused on the watching fre-
quency.
• Push and hold
to deactivate the fre-
quency lock function.
• Push [FUNC], then [
A
16KEY LOCK] to deacti-
vate the microphone keypad lock function.
• Push [
(M/CALL)
PRIO] to resume the watch.
LOCK
p. 16
p. 16
p. 45