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Symptom Possible Cause Remedy
“
TX
”
mark does not
come on when
PTT switch is pressed.
Attempting transmission on a
channel assigned only for reception:
USA 2, 15, 70, 75, 76
INT 70, 75, 76
WX0 through WX9, etc.
Refer to channel list.
Does not scan normally
on
“
DW
”
mode.
(locked on a channel)
SQUELCH setting too low, causing
noise.
Adjust SQUELCH so that noise just
fades out.
Turned suddenly to
CH16.
Had momentary power failure.
Select desired channel and function
again.
Check power line connections.