Troubleshooting - Icom IC-M504A Instruction Manual

PROBLEM
The transceiver does • Bad connection to the power supply.
not turn ON.
No sound comes from • Squelch level is set too high.
the speaker. • Volume level is set too low.
• Speaker has been exposed to water.
Sensitivity is low. • The Attenuator is activated.
Transmitting is impossi- • Some channels are programmed for low
ble, or high power can- power or receive only by regulations.
not 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.
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.
• Push [LO/DX•IC•SCRM] to turn the function
OFF.
• Change channels.
• Push [H/L] to select high power.
• Set the desired channels as TAG channels.
• Turn the beep tone ON in Set mode.
• Program the MMSI (DSC self ID) code.
10
1
REF.
2
p. 56
3
p. 8
4
p. 8
—
5
p. 8
6
7
pp. 6, 7,
70
8
p. 8
9
p. 13
10
p. 54
11
p. 15
12
13
14
15
16
67