Icom ic-751a Instruction Manual page 27

2)
Select
MODE. 2)
Push the
SSB
SWITCH
to select
the
SSB mode.
ijiwftkjbui
am
Ed
cw COD
ssbJ^ rttyBB 3
a
!
IQ IQ IQ
HAM/GENE SPEECH
MODE-S
SCAN
Ql
Q Q
IQ
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.
-
23
-