72
19
53
23
23
51,52
63
2
53
19
20
19
62
54
61, 62
58, 60
61
60
4
45
20
25
63
2
2
3
3
1Turn the SQL control counterclockwise.
2Press ATT [DOWN] repeatedly until the
Attenuator function is OFF.
3Press [SEND] to return to the receive
mode.
4Release the Microphone PTT switch.
5Review the sections "SLOPE TUNING",
"IF SHIFT", and "CHANGING RECEIVE
BANDWIDTH". Set the controls correctly.
6Press [ANT] to select the other antenna
connector.
7Switch ON Menu No. 53 (EXT RX).
8Press [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.
1Adjust the SQL control to just eliminate
background noise.
2Unlock some memory channels.
3Store 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.
1Turn 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.
2Switch Menu No. 27 (TX INH) to OFF.
3Press [LSB/USB] or [FM/AM] to select a
voice mode.
4Switch Menu No. 19 (PKT.FIL) to OFF.
5Press [ANT] to select the other antenna
connector.
1Check the antenna connection. Correct
as necessary.
2Reduce the SWR of the antenna system.
3Correct the input voltage.
4Use the provided or an optional DC power
cable.
1The SQL control is fully clockwise.
2The Attenuator function is ON.
3The transceiver is in the transmit mode
since the [SEND] switch was pressed.
4The Microphone PTT switch is pressed.
5The LO/WIDTH control or HI/SHIFT
control is set incorrectly.
6The wrong antenna connector is
selected.
7If using a separate receiver that is
connected to the EXT RX ANT
connector, the connector is not enabled.
8The Advanced Intercept Point function is
ON.
The RF gain control is set too low.
The wrong modulation mode is selected.
1The SQL control is not set correctly.
2You have fewer than two memory
channels that are not locked out.
3You 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.
1The microphone plug is not inserted
completely in the Front Panel connector.
2The Transmit Inhibit function is ON.
3You have selected CW or FSK instead
of a voice mode.
4The filter for Digital operation is
selected.
5The wrong antenna connector (ANT 1/2)
is selected.
1The antenna is not connected correctly.
2The antenna is not matched correctly
with the transceiver.
3The input voltage is outside 13.8 V DC
±15% (11.7 to 15.8 V DC).
4An 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.