Kenwood TH-55AT Series - Manual (Page 7)

3. OPERATION
3-1 OPERATING CONTROLS
(T) Antenna connector
Connect the antenna that is supplied to this jack. Twist
to lock.
d) TX indicator
ON whenever the transceiver is in the transmit mode.
(D Volume control/Power switch
The volume control and power switch are combined.
Rotating the control clockwise will turn ON the
transceiver. Advancing the control further clockwise
will increase the volume.
0SQL control
This control is used to select the desired Squelch
threshold level.
(DMH z key
This key is used to select the tuning rate of the Tuning
control. When the MHz indicator is lit, the Tuning con­
trol will cause the transceiver to increase or decrease
in 1 MHz step.
®VFO key
This key is used to switch back to VFO operation after
operating in the MR (Memory Recall) mode. The tuning
control will increase or decrease frequency in accor­
dance with the VFO indicator. See the chart below for
your transceiver.
(kHz)
TH-25A/25AT TH-25E/45E TH-45A/45AT TH-55AT/55E
STEP SIZE 5/10 12.5/5 25/5 25/12.5
Pressing this key for longer than 1 second will initiate
the Band Scan function.
® MR key
This key is used to switch from the VFO mode to the
MR (Memory Recall) mode. The tuning control may be
used to select the desired memory channel in this
mode.
Pressing this key for longer than 1 second will initiate
the Memory Scan function.
® Tuning control
Rotate this control clockwise to increase frequency
and counterclockwise to decrease the transmit/receive
frequency.
This control is also used to select the desired memory
channel and the scan direction.
®Tone Alert key
This key is used to activate the Tone Alert function.
©Tone key
U.S. version: This key is used to activate the
subaudible tone encoder.
European version: This key is used to transmit a Tone
signal. When the key is depressed
the
repeater control signal of
1750 Hz is activated.
U.K. version: This key is used to activate the
1750 Hz tone burst.