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3. OPERATION
3-1. OPERATING CONTROLS
3-1-1.
Front panel
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(D POWER switch
(8) Frequency display
Note:-
Press to turn the power ON or OFF.
The operating frequency is displayed down to the
The sq
nearest
100 Hz. Also displays the memory
channel
mo de.
O Meter
number, RIT/XIT frequency, and includes indicators for
modes
During receive the meter is used as an S-meter. Dur-
Memory, VFO A/B, scan, split and RIT/XIT operations.
N
ing transmit the function of the meter is controlled by
.
i
Meter switch, and provides either ALC level, PwR
(6) FUNCTION switches
The
(power) or SWR readings.
The switches included in this group are the RIT/XIT,
be ^
T-F SET switch, and the VFO select switches. (See
e h
(8) MODE/KEY (Numeric Keypad)
page 15.)
I rotan
These keys are used to select the desired mode of oper-
,
Norma
ation (USB, LSB, CW, AM, FM, AFSK). When program-
@ MIC gain control
and 1:
ming
a memory channel or directly entering a frequency
Microphone gain can be adjusted during USB, LSB,
Notes:
these keys are used as a numeric keypad to enter the
AFSK and AM operations. Gain is increased thru clock-
1 9 Th.
channel number or frequency.
wise rotation of this control.
: of
(4) Indicators
CAR (Carrier level) control
2. a
AT TUNE:
Lights when the AT TUNE switch is ON.
This control sets the carrier level during CW, FM and
rot:
Turns itself OFF when the antenna tuner
AM operations. When transmitting in the CW mode,
the
has completed tuning.
adjust so that the ALC meter pointer is within the ALC
resi
NOTCH:
Lights when the NOTCH
switch is ON.
zone.
F.LOCK:
Lights when the F.LOCK switch is ON.
1 MHz:
Lights when the 1 MHz step switch is ON,
9) SQL (Squelch) control
i
M.SCR:
Lights when the M.IN switch is pressed.
This function operates in all modes, FM, USB, LSB,
sig
When the memory scroll function is active
CW, AFSK, and AM.
you
can
review
the
contents
of the
This control is used to eliminate atmospheric noise, and
memory channels without a break in the
receiver static noise during no signal periods. Slowly
reception of the station you are listening
— rotate the control clockwise to the point where the am-
to.
bient noise just disapears, and speaker shuts off. This
—
ON AIR:
Lights during transmit.
point is known as the squelch threshold point. Now you
will only hear output from the speaker when an incom-
ming signal is present. For weak signal reception this
control should be fully counterclockwise.
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