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1 Turn the SQL control counterclockwise.
2 Press ATT [DOWN] repeatedly until the
Attenuator function is OFF.
3 Press [SEND] to return to the receive
mode.
4 Release the Microphone PTT switch.
5 Review the sections "SLOPE TUNING",
"IF SHIFT", and "CHANGING RECEIVE
BANDWIDTH". Set the controls correctly.
6 Press [ANT] to select the other antenna
connector.
7 Switch ON Menu No. 53 (EXT RX).
8 Press [AIP] to switch OFF the function.
Turn the RF gain control fully clockwise.
Press [LSB/USB], [CW/-R], [FSK/-R], or
[FM/AM] to select the correct modulation
mode.
1 Adjust the SQL control to just eliminate
background noise.
2 Unlock some memory channels.
3 Store data in more memory channels.
Select All-channel Scan by switching OFF
Menu No. 66 (GRP.SCAN), or change to the
group that contains the memory channel that
you want to scan. Group changes are done
by pressing Mic [UP] or [DWN].
Store different Start and End frequencies.
Switch ON Busy Frequency Stop via Menu
No. 67 (BSY.STOP).
Review the Scan Hold function if you want to
stop scanning when you hear a station while
using Program Scan.
1 Turn OFF the power, ensure the
microphone connector on the Front Panel
has no foreign objects in it, then plug in
the microphone connector. Secure the
connector with the locking ring.
2 Switch Menu No. 27 (TX INH) to OFF.
3 Press [LSB/USB] or [FM/AM] to select a
voice mode.
4 Switch Menu No. 19 (PKT.FIL) to OFF.
5 Press [ANT] to select the other antenna
connector.
1 Check the antenna connection. Correct
as necessary.
2 Reduce the SWR of the antenna system.
3 Correct the input voltage.
4 Use the provided or an optional DC power
cable.
1 The SQL control is fully clockwise.
2 The Attenuator function is ON.
3 The transceiver is in the transmit mode
since the [SEND] switch was pressed.
4 The Microphone PTT switch is pressed.
5 The LO/WIDTH control or HI/SHIFT
control is set incorrectly.
6 The wrong antenna connector is
selected.
7 If using a separate receiver that is
connected to the EXT RX ANT
connector, the connector is not enabled.
8 The Advanced Intercept Point function is
ON.
The RF gain control is set too low.
The wrong modulation mode is selected.
1 The SQL control is not set correctly.
2 You have fewer than two memory
channels that are not locked out.
3 You have fewer than two memory
channels programmed.
With Group Scan selected, the channel you
want to scan is in a different group.
The Start and End frequencies are
identical.
Busy Frequency Stop is not activated.
This is normal operation.
1 The microphone plug is not inserted
completely in the Front Panel connector.
2 The Transmit Inhibit function is ON.
3 You have selected CW or FSK instead
of a voice mode.
4 The filter for Digital operation is
selected.
5 The wrong antenna connector (ANT 1/2)
is selected.
1 The antenna is not connected correctly.
2 The antenna is not matched correctly
with the transceiver.
3 The input voltage is outside 13.8 V DC
±15% (11.7 to 15.8 V DC).
4 An inappropriate DC power cable is
being used.
12 MAINTENANCE
No signals are received
or receive sensitivity
seems poor.
No signals are received
or receive sensitivity
seems poor; S-meter is
reading full scale.
Received signals are
totally unintelligible.
Memory Scan won’t start
scanning.
Memory Scan will not
scan one of the stored
channels; the desired
channel is NOT locked
out.
Program Scan won’t
start scanning.
Memory Scan never
stops scanning even
when a station is found.
Program Scan never
stops scanning even
when a station is found.
You cannot transmit
even though you press
[PTT], or transmissions
result in no contacts.
Attempting to transmit
results in the "HELLO"
message appearing and
the Receive mode being
restored.