101
12
TROUBLESHOOTING
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
PROBLEM POSSIBLE CAUSE SOLUTION REF.
The transceiver does
not turn ON.
• Bad connection to the power supply.
• Fuse blows.
• Check the connection to the transceiver
and power supply.
• Repair the problem, and then replace the
fuse.
p. 96
p. 94
Little or no sound
comes from the
speaker.
• Squelch level is set too high.
• Volume level is set too low.
• The internal speaker is OFF.
• Set the squelch to the threshold point.
• Set the volume to a suitable level.
• Turn ON the internal speaker.
p. 15
p. 15
p. 89
You cannot transmit,
or cannot select high
power
.
• Some channels are set for low power or
receive only by regulations.
• The output power is set to low.
• Change channels.
• Push [HI/LO] to select high power.
pp. 13,
103
p. 15
Scan does not start. • More than 2 favorite channels are not set. • Set the desired channels as Favorite
channels.
pp. 27,
91
No beep sounds. • The Key Beep function is OFF.
• Turn ON the Key Beep function.
p. 85
The Main screen is not
displayed at power ON.
• MMSI (DSC self ID) code is not set. • Set the MMSI (DSC self ID) code. p. 9
Individual or Group ID
cannot be set.
• The entered ID code is incorrect.
First digit must be set to between ʻ1ʼ and
ʻ9ʼ for the Individual ID.
First digit must be set to ʻ0ʼ for the Group
ID.
• Enter a correct ID code. pp. 29,
30
“??” blinks instead of
the position and time.
•
4 hours have passed after you manually
entered the position.
•
The GPS position is invalid.
• Enter the position. p. 31
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