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58
TROUBLESHOOTING
10
PROBLEM
POSSIBLE CAUSE
SOLUTION
REF.
The transceiver does
not turn ON.
• Bad connection to the power supply.
• Check the connection between the battery-
and the transceiver.
pp. 50,
51
No sound comes from
the speaker.
• Squelch level is too high.
• Volume level is too low.
• Speaker has been exposed to water.
• Internal speaker is turned OFF.
• Set
[SQL]
to the threshold point.
• Adjust
[VOL]
to a suitable level.
• Clear water from the speaker.
• Turn the internal speaker ON in the Set
mode.
p. 9
p. 9
p. 11
p. 48
Sensitivity is low.
• The attenuator is activated.
• Push
[6•
LO/DX
]
after pushing
[
O
]
to turn
the function OFF.
p. 9
Transmitting is impos-
sible, or high power
cannot be selected.
• Some channels are programmed for only
low power or receive by regulation.
• The output power is set to low.
• Change channels.
• Push
[H/L]
to select high power.
pp. 7, 8,
61
p. 9
Scan does not start.
• TAG channel is not programmed.
• Set the desired channels as TAG channels. p. 15
No beep sounds.
• Beep tones are turned OFF.
• The squelch is open.
• Turn the beep tone ON in the Set mode.
• Set
[SQL]
to the threshold point.
p. 48
p. 9
Receive signal cannot
be understood.
• Optional voice scrambler is turned OFF.
• Scramble code is not set correctly.
• Turn the optional voice scrambler ON.
• Reset the scramble code.
pp. 12,
49
Distress call cannot be
transmitted.
• MMSI (DSC self ID) code is not pro-
grammed.
• Program the MMSI (DSC self ID) code.
p. 16