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Problem Probable Cause Corrective Action
Transceiver transmits
without pressing [PTT].
VOX function is ON. Access Menu No. 134
(VOX) and select “Off”.
The transceiver
switches OFF for no
apparent reason.
The Automatic Power
OFF (APO) function is
ON.
Access Menu No. 111
(APO) and select your
desired time length or “Off”.
The Scan function does
not resume scanning
after the transceiver
detects a signal.
You have selected
“Seek” for Menu No.
150 (Scan Resume).
Select either “Time” (Time-
Operated) or “Carrier”
(Carrier-Operated) for Menu
No. 150 (Scan Resume).
Packet operation
results in no connects
with other stations.
1 The squelch is open.
2 You did not select the
same transfer rate as
the target station.
1 Select the correct squelch
level so that the squelch is
opened only when signals
are present.
2 Use HBAUD command
to select the appropriate
transfer rate.
When transmitting
in full duplex mode,
another signal is being
received at the same
time.
You are receiving the
transmitted signal of
your station.
Change your settings to
a transmit frequency that
does not receive the signal,
or change the receive
frequency.
Example frequency setting :
Transmit frequency of
146.000 MHz and receive
frequency of 439.600 MHz
You cannot transmit
any APRS data.
1 Beacon is OFF.
2 The squelch is open.
3 The data band is
inactive.
4 The built-in TNC is
OFF.
5 You selected Packet
mode.
1 Press [BCON] to switch
Beacon ON.
2 Select the correct squelch
level so that the squelch is
opened only when signals
are present.
3 If you have blanked the
data band, press [A/B] or
[DUAL] to active it.
4 Press [TNC] to switch ON
the TNC.
5 Press [TNC] twice so that
only “
” appears.