Troubleshooting - Icom iM423 Instruction Manual

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13

TROUBLESHOOTING

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

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