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TROUBLESHOOTING
31
If your transceiver seems to be malfunctioning, please check
the following points before sending it to a service center.
PROBLEM
No power comes on.
Transmitting is impossible.
Frequency cannot be set.
Scan does not function.
[
Y] or [Z] keys do not
function when using the
optional HM-75A.
Squelch does not open for
received signals.
Some memory channels
cannot be selected.
RIT/VXO offset cannot be
adjusted.
Cannot transmit on the 50
MHz band.
POSSIBLE CAUSE
The battery is exhausted.
(A slight current flows in the circuits even when the
power is off.)
The battery is exhausted.
Memory (call) mode is selected.
The lock function is activated.
The same frequencies are programmed into XA
and XB (a pair of scan edges).
Only CH00 is programmed; or, all other memory
channels are set as skip channels.
Memory channels 00 and/or 01 are not pro-
grammed and simple mode is selected.
Tone squelch is activated.
Some memories have been cleared.
RIT/VXO function has not been activated or the
1200 MHz band is not selected.
AM mode has been set for the 50 MHz band.
SOLUTION
Charge the battery pack or place new dry cell bat-
teries in the battery case.
(Remove the battery pack if you will not be using the trans-
ceiver for a long time.)
Charge the batteries or place new dry cells in the
battery case.
Push [VFO] to select VFO mode.
Push [
(H/L) LOCK)] for 1 sec.
Program different frequencies.
Program additional memories; or, cancel skip set-
tings for one or more channels.
Program the memory channels or set to microphone
normal 1 or normal 2.
Turn off the tone squelch.
Program the cleared memories.
Activate the RIT/VXO function in set mode or push
[MULTI(
)] to select the 1200 MHz band.
Turn AM mode off in set mode.
REF.
pgs. 7,
8
pgs. 7,
8
p. 9
p. 11
p. 18
pgs.
18, 24
pgs.
18, 27
p. 25
p. 18
p. 13
p. 14
IC-T81A/E Manual-(1) 01.12.5 6:56 PM Page 31 (1,1)
35


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