Icom iM504, Инструкция по эксплуатации, Страница: 73 / 80

67
10
TROUBLESHOOTING
9
10
PROBLEM POSSIBLE CAUSE SOLUTION REF.
No sound from speaker. • Squelch level is too high.
• Volume level is too low.
• Speaker has been exposed to water.
p. 8
p. 8
—
• Set [SQL] to the threshold point.
• Set [VOL] to a suitable level.
• Drain water from the speaker.
The transceiver does
not turn ON. • Bad connection to the power supply. p. 58 • Check the connection to the transceiver.
Transmitting is impossi-
ble, or high power can
not be selected. • Some channels are programmed for low
power or receive only in regulations.
• The output power is set to low.
pgs. 6,
7, 70
p. 8 • Change channels.
• Push [H/L] to select high power.
Scan does not start. • TAG channel is not programmed. • Set the desired channels as TAG channels. p. 13
No beeps. • Beep tones are turned OFF.
• The squelch is open. • Turn the beep tone ON in Set mode.
• Set
[SQL] to the threshold point.
p. 56
p. 8
Distress call cannot be
transmitted. • MMSI (DSC self ID) code is not pro-
grammed.
• Program the MMSI (DSC self ID) code. p. 15
Sensitivity is low. • The Attenuator is activated. • Push [LO/DX•IC•SCRM] to turn the function
OFF.
p. 8