Troubleshooting - Icom IC-M603 Instruction Manual

PROBLEM
The transceiver does • Bad connection to the power supply.
not turn ON.
No sound comes from • Squelch level is too high.
the speaker. • Volume level is too low.
• Speaker has been exposed to water.
• Internal speaker is turned OFF.
Transmitting is impos- • Some channels are programmed for low
sible, or high power power or receive only in regulations.
cannot be selected. • The output power is set to low.
Scan does not start. • TAG channel is not programmed.
No beep sounds. • Beep tones are turned OFF.
• The squelch is open.
Receive signal cannot • Optional voice scrambler is turned OFF.
be understood. • Scramble code is not set correctly.
Distress call cannot be • MMSI (DSC self ID) code is not pro-
transmitted. grammed.
POSSIBLE CAUSE

TROUBLESHOOTING

SOLUTION
• Check the connection to the transceiver.
• Set [SQL] to the threshold point.
• Set [VOL] to a suitable level.
• Drain water from the speaker.
• Turn the internal speaker ON in Set mode.
• Change channels.
• Push [H/L] to select high power.
• Set the desired channels as TAG channels.
• Turn the beep tone ON in Set mode.
• Set [SQL] to the threshold point.
• Turn the optional voice scrambler ON.
• Reset the scramble code.
• Program the MMSI (DSC self ID) code.
10
REF.
pp. 46,
47
p. 9
p. 9
p. 11
p. 44
pp. 7, 8,
57
p. 9
p. 15
9
p. 44
10
p. 9
p. 12
pp. 12, 45
p. 16
53