Icom IC-M73 Instruction Manual - Page 45

Troubleshooting - mic

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12 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. 1 The transceiver does not • The battery is depleted. turn ON. • Recharge the battery pack. pp. 33, 34 2 • Bad connection to the battery pack. • Check the connection to the transceiver. p. 3 3 No sound from the • Squelch level is too tight. speaker. • Volume level is too low. • Set squelch to the threshold point. • Rotate [VOL] to set a suitable level. p. 13 p. 11 4 • Speaker has been exposed to water. • Hold down [F] to drain water from the speaker. • Water has entered to [SP MIC] connector. • Dry [SP MIC] connector. p. 13 - 5 T r a n s m i t t i n g i s • Some channels are for low power or • Change channels. pp. 6 i m p o s s i b l e , o r h i g h receive only. power can not be 11, 12, 40-42 7 selected. • The battery is exhausted. • Recharge the battery pack. pp. 33, 34 8 • The battery is overcharged. • The output power is set to low. • Verify the battery voltage is correct. • Push [H/L•LOCK] to select high power. - 9 p. 11 • The transceiver is over heated. The displayed channel • Lock function is activated. • Turn OFF the power, leave it at room temperature - 10 for a while. • Push [H/L•LOCK] for 1 second to cancel the p. 12 11 cannot be changed. function. 12 Scan does not start. • Favorite (TAG) channels are not • Set the desired channels as "Favorite (TAG)" p. 15 programmed. channels. 13 No beeps. • Beep tones are turned OFF. • Set the beep tones to ON (Fix Beep/Preset) in the p. 26 14 SET mode. Does not record or does • The read/write capacity has been • The memory IC should be replaced. - 15 not record properly. exceeded (the recording counter displays Ask your technical dealer for service. 100 or more. (p. 4)), or the memory is 16 damaged. T h e w e a k s i g n a l i s • The automatic recording threshold level • Set the automatic recording threshold level to not recorded by the is too deep. shallow. automatic recording function. p. 30 "CHARGE" comment blinks • The connected battery is depleted. • Recharge the battery pack. pp. 33, 34 37

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37
12
TROUBLESHOOTING
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
The transceiver does not
turn ON.
• The battery is depleted.
• Bad connection to the battery pack.
• Recharge the battery pack.
• Check the connection to the transceiver.
pp. 33,
34
p. 3
No
sound
from
the
speaker.
• Squelch level is too tight.
• Volume level is too low.
• Speaker has been exposed to water.
• Water has entered to
[SP MIC]
connector.
• Set squelch to the threshold point.
• Rotate
[VOL]
to set a suitable level.
• Hold down
[F]
to drain water from the speaker.
• Dry
[SP MIC]
connector.
p. 13
p. 11
p. 13
—
Transmitting
i s
impossible, or high
power
can
not
be
selected.
• Some channels are for low power or
receive only.
• The battery is exhausted.
• The battery is overcharged.
• The output power is set to low.
• The transceiver is over heated.
• Change channels.
• Recharge the battery pack.
• Verify the battery voltage is correct.
• Push
[H/L•LOCK]
to select high power.
• Turn OFF the power, leave it at room temperature
for a while.
pp.
11, 12,
40–42
pp. 33,
34
—
p. 11
—
The displayed channel
cannot be changed.
• Lock function is activated.
• Push
[H/L•LOCK]
for 1 second to cancel the
function.
p. 12
Scan does not start.
•
Favorite (TAG) channels are not
programmed.
• Set the desired channels as “Favorite (TAG)”
channels.
p. 15
No beeps.
• Beep tones are turned OFF.
• Set the beep tones to ON (Fix Beep/Preset) in the
SET mode.
p. 26
Does not record or does
not record properly.
• The read/write capacity has been
exceeded (the recording counter displays
100 or more. (p. 4)), or the memory is
damaged.
• The memory IC should be replaced.
Ask your technical dealer for service.
—
The weak signal is
not recorded by the
automatic recording
function.
• The automatic recording threshold level
is too deep.
• Set the automatic recording threshold level to
shallow.
p. 30
“CHARGE” comment
blinks
• The connected battery is depleted.
• Recharge the battery pack.
pp. 33,
34