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82
11
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
No power comes ON.
• The batteries are exhausted.
• The battery polarity is reversed.
• Replace the batteries or charge the battery pack.
• Check the battery polarity.
pgs. 1, 14
p. 1
No sound comes from the
speaker.
• Volume level is too low.
• Different tone is selected with tone/DTCS
squelch.
• Push [
Y
] to a suitable level.
• Check the tone using tone/DTCS scan.
p. 17
p. 70
Transmitting is
impossible.
• The batteries are exhausted.
• A frequency outside of the 50/144/440
MHz amateur bands is set.
• Replace the batteries or charge the battery pack.
• Reset the frequency within the 50/144/440 MHz
amateur bands.
pgs. 13, 14
p. 19
Tuning dial or [
Z
]/[
Y
]
function is strange.
• Tuning dial and [
Z
]/[
Y
] functions are
exchanged.
• Push [1 V
↔
D] for 1 sec. to cancel the function.
p. 23
No beeps sound.
• Beep tones are turned OFF or the beep
tone level is low.
• Turn beep tones ON or set the beep tone level to
appropriate level in set mode.
pgs. 58,
59
No contact possible with
another station.
• Different tone is selected with tone/DTCS
squelch.
• Check the tone using tone scan.
p. 70
Receive audio is
distorted.
• The operating mode is not selected
correctly.
• Select a suitable operating mode in set mode.
p. 21
Desired set mode item
cannot be selected.
• The desired set mode item is in expanded
set mode 1 or 2.
• Some set mode items can be selected
from VFO or memory mode only.
• Turn the expanded set mode 1 or 2 ON.
• Enter set mode from appropriate operating mode.
p. 55
pgs. 17, 18
22, 27
Frequency cannot be set.
• The lock function is activated.
• Memory or call channel is selected.
• Push [CALL/TV LOCK] for 1 sec. to cancel the function.
• Push [VFO] to select VFO mode.
p. 74
p. 20
If your transceiver seems to be malfunctioning, please check
the following points before sending it to a service center.
!
!00
!
!11
HM-75
REMOTE CONTROL
MICROPHONE
TROUBLESHOOTING
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