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You cannot transmit
even though you
press the PTT
switch.
1 You selected a frequency outside the
allowable transmit frequency range.
2 You selected a transmit offset that
places the transmit frequency outside
the allowable transmit frequency
range.
3 The TX Inhibit function is ON.
4 The Tone Alert function is ON.
1 Select a frequency within the
allowable transmit frequency range.
2 Press [F], [REV] repeatedly so
neither “+” nor “–” is visible.
3 Switch OFF the TX Inhibit function.
4 Switch OFF the Tone Alert function.
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The transceiver
switches OFF for no
apparent reason.
The Automatic Power Off (APO) function
is ON.
Switch OFF the APO function.
37
Packet operation
results in no
connects with other
stations.
1 Physical connections between the
transceiver, computer, and TNC are
incorrect, or software settings in the
TNC are wrong.
2 Different transmit and receive
frequencies are being used. Usually,
you must use the same transmit and
receive frequency for packet.
3 The modulation level from the TNC is
incorrect.
4 There is multi-path distortion.
5 The squelch is open.
1 Recheck all connections using this
manual, your TNC manual and your
computer hardware manual as
reference.
2 If using VFO mode, switch OFF the
transmit offset. If using Memory
Recall, select a simplex memory
channel.
3 Adjust the TNC modulation level
according to the TNC manual.
4 Reorient the antenna. The
strongest
signal does not always provide the
best operation on packet.
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Problem
Probable Cause Corrective Action