Icom IC-751A - Page 27

2)
Select
MODE.
2)
Push
the
SSB
SWITCH
to
select
the
SSB
mode.
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3)
Select
BAND.
TUNING
CONTROL
BAND
SELECT
SWITCH
3)
Push the
BAND
SELECT
SWITCH.
The
BAND
SELECT
IN-
DICATOR
lights.
Rotate the
TUNING
CONTROL to
select
the
14MHz
band. (Note:
Only
the
“MHz" digits
change as
the
TUNING
CONTROL is
turned.)
4)
Adjust
AF
GAIN
CONTROL.
4)
Rotate
the
AF
GAIN
CONTROL
clockwise
for a
comfortable
receive
level.
Audio
output
increases.
AF
GAIN
-g)-
RF
GAIN
The
green
RECEIVE
INDICATOR
should
be lit.
If not,
check
the
position
of
the
SQUELCH
.CONTROL
(maximum
counter-
clockwise).
5)
Rotate
TUNING
CONTROL
5)
Rotate
the
TUNING
CONTROL
until a
signal is
received.
Tune
for the
highest
S-METER
reading and the
clearest audio.
(Note:
The
wrong
mode may
be
selected
if the sigrial
is
not
under-
standable.)
•TRANSMITTING
Before
transmitting,
listen in
the
receive
mode to
make sure
your
transmission
will not
interfere
with other
communications.
First, set
the
switches
and
controls as
stated
in
SECTIONS
6
-
1
SETTINGS
and
RECEIVING
above.
1)
Push
the
PTT
SWITCH
on
the
microphone
or switch
the
TRANSMIT/RECEIVE
SWITCH to
TRANSMIT.
The
red
TRANSMIT
LED
lights.
2)
Speak
into
the
microphone,
and
note
that
the
meter
needle
follows
the
modulation
of
your
voice.
You
are
now
transmitting
SSB
signals.
3)
If you
wish to
increase
the
output
power,
rotate
the
RF
POWER
CONTROL
for the
desired
power
between
10
and
100
watts.
•
FREQUENCY
SELECTION
The IC-751A
transmitter
covers
all
HF
Amateur
bands
exclusively.
In addition,
the
receiver
covers
all
frequencies
from
0.1 to
30MHz
continuously.
1)
TUNING
CONTROL:
Rotate
the
TUNING
CONTROL
clockwise to
increase
the
fre-
quency,
and
counterclockwise
to
decrease
the
frequency
in
lOHz
steps
while
in any
operating
mode.
Turning the
TUNING
CON-
TROL
faster
automatically
shifts
the
tuning
increments
to
50Hz.
2)
TUNING
SPEED
SWITCH
[TS]
:
When
the
TUNING
SPEED
function
is
ON,
the
operating
fre-
quency shifts
in
1kHz
increments
while
in
any
operating
mode as
the
TUNING
CONTROL
is
turned.
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23
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