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TROUBLESHOOTING
The problems described in this table are commonly encountered operational
malfunctions and are usually not caused by circuit failure.
Problem
The transceiver will
not power up after
connecting a 13.8 V
DC power supply and
pressing [ ]. Nothing
appears on the display.
The frequency cannot
be selected by turning
the Tuning control or
by pressing microphone
[UP]/[DWN].
Most keys and the
Tuning control do not
function.
Memory channels
cannot be selected
by turning the Tuning
control or by pressing
microphone [UP]/[DWN].
You cannot transmit
even though you are
pressing [PTT].
Probable Cause
1 The power cable
was connected
backwards.
2 One or more of the
power cable fuses
are open.
Memory Recall was
selected.
1 One of the Lock
functions is ON.
2 The transceiver is
in Channel Display
mode.
No data has been stored
in any Memory channel.
1 The microphone plug
was not inserted
completely into the
transceiver.
2 You selected a
transmit offset that
places the transmit
frequency outside the
allowable range.
3 The external TNC is
transmitting.
Corrective Action
1 Connect the supplied DC
power cable correctly (red
to + terminal and black to
– terminal).
2 Look for the cause of
the blown fuse(s). After
inspecting and correcting
any problems, install a
new fuse(s) with the same
ratings.
Press [VFO].
1 Unlock all of the Lock
functions.
2 With the transceiver power
OFF, press [LOW] +
Power ON to exit Channel
Display mode.
Store data in some Memory
channels.
1 Switch the power OFF,
then insert the microphone
plug until the locking tab
clicks in place.
2 Turn the offset shift
function OFF.
3 Press [PTT] after the TNC
has fi nished transmitting.
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