Icom IC-M424 Instruction Manual - Page 102

Troubleshooting

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13 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION REF. The transceiver does • Bad connection to the power supply. not turn ON. • Check the connection to the transceiver and p. 83 power supply. Little or no sound comes • Squelch level is set too high. from the speaker. • Volume level is set too low. • Speaker has been exposed to water. • Set the squelch to the threshold point. p. 15 • Set the volume to a suitable level. p. 15 • Remove the water with the AquaQuake func- p. 16 tion. Transmitting is impossi- • S ome channels are programmed for low • Change channels. ble, or high power can- power or receive only by regulations. not be selected. • The output power is set to low. • Push [HI/LO] to select high power. pp. 9, 10, 11 p. 11 Scan does not start. • Favorite channels are not programmed. • S et the desired channels as Favorite chan- p. 18 nels. No beep sounds. • Beep tones are turned OFF. • T urn the beep tones ON in the CONFIGURA- p. 78 TION menu. Distress calls cannot be • M MSI (DSC self ID) code is not pro- • P rogram the MMSI (DSC self ID) code. p. 8 transmitted. grammed. 93

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93
TROUBLESHOOTING
13
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
The transceiver does
not turn ON.
• Bad connection to the power supply.
• Check the connection to the transceiver and
power supply.
p. 83
Little or no sound comes
from the speaker.
• Squelch level is set too high.
• Volume level is set too low.
• Speaker has been exposed to water.
• Set the squelch to the threshold point.
• Set the volume to a suitable level.
• Remove the water with the AquaQuake func
-
tion.
p. 15
p. 15
p. 16
Transmitting is impossi-
ble, or high power can-
not be selected
.
• Some channels are programmed for low
power or receive only by regulations.
• The output power is set to low.
• Change channels.
• Push [HI/LO] to select high power.
pp. 9,
10, 11
p. 11
Scan does not start.
• Favorite channels are not programmed.
• Set the desired channels as Favorite chan
-
nels.
p. 18
No beep sounds.
•Beep tones are turned OFF.
•Turn the beep tones ON in the CONFIGURA
-
TION menu.
p. 78
Distress calls cannot be
transmitted.
• MMSI
(DSC
self
ID)
code
is
not
pro
-
grammed.
• Program the MMSI (DSC self ID) code.
p. 8