Troubleshooting - Icom IC-M504 Instruction Manual

PROBLEM
The transcever does • Bad connecton to the power supply.
not turn ON.
No sound from speaker. • Squelch level s too hgh.
• Volume level s too low.
• Speaker has been exposed to water.
Senstvty s low. • The Attenuator s actvated.
Transmttng s mposs- • Some channels are programmed for low
ble, or hgh power can power or receve only n regulatons.
not be selected. • The output power s set to low.
Scan does not start. • TAG channel s not programmed.
No beeps. • Beep tones are turned OFF.
• The squelch s open.
Dstress call cannot be • MMSI (DSC self ID) code s not pro-
transmtted. grammed.
POSSIBLE CAUSE

TROUBLESHOOTING

SOLUTION
• Check the connecton to the transcever.
• Set [SQL] to the threshold pont.
• Set [VOL] to a sutable level.
• Dran water from the speaker.
• Push [LO/DX•IC•SCRM] to turn the functon
OFF.
• Change channels.
• Push [H/L] to select hgh power.
• Set the desred channels as TAG channels.
• Turn the beep tone ON n Set mode.
• Set [SQL] to the threshold pont.
• Program the MMSI (DSC self ID) code.
10
REF.
p. 58
p. 8
p. 8
—
p. 8
pgs. 6,
7, 70
p. 8
9
p. 13
10
p. 56
p. 8
p. 15
67