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®HAM
BAND/GENERAL COVERAGE
SWITCH [HAM/GENEl
HAM/GENE SPEECH
MODE-S
SCAN
1
1
1
1
1
1
LJ
©SPEECH
SWITCH
HAM/GENE
SPEECH
MODE-S
SCAN
1
1
1
1
1
1
1
1
CW NARROW
(NAR):
Push
the
FUNCTION SWITCH
first,
then push the
CW
SWITCH
for
operation with the
455kHz
narrow
CW
filter.
There
is
no
audio
output
from
the speaker
if
the optional
filter
is
not
installed.
SSB:
Push
to automatically
select
upper
sideband
(USB)
operation
on
the
10MHz
band and
above,
and
lower sideband (LSB) operation
on
the
7MHz
band and
below.
In
the
GENERAL COVERAGE
mode,
USB
is
selected
from
9MHz
upwards,
and
LSB
is
selected
below
9MHz.
SSB
REVERSE:
Push
the
FUNCTION SWITCH
first,
then push
the
SSB
SWITCH
to
select
LSB
on
the
10MHz
band and
above,
and
USB
on
the
7MHz
band and
below.
In
the
GENERAL COVERAGE
mode,
LSB
Is
selected
from
9MHz
upwards,
and
USB
is
selected
below
9MHz.
RTTY:
Push
for
RTTY
operation.
RTTY
NARROW
(NAR):
Push
the
FUNCTION SWITCH
first,
then push
the
RTTY SWITCH
for
RTTY
operation using the optional
455kHz
narrow
CW
filter.
There
is
no
audio
output from
the speaker
if
the optional
filter
is
not
installed.
This switch
changes the
IC-751A between
the
Amateur Band
and
General
Coverage modes.
In
the
Amateur Band mode,
the
trans-
ceiver
functions
on any
of the
HF
amateur bands from
1.8 to
28MHz.
In
the General
Coverage
mode,
the
receiver
functions
on
ail
frequencies
from
0.1
to
30MHz.
The
IC-751A
does not transmit
while
in
the General
Coverage
mode.
This switch
activates
the optional
IC-EX310
speech
synthesizer
which announces
the displayed
frequency
in
English.
®MODE
SCAN SWITCH [MODE
S]
HAM/GENE
SPEECH
MODE-S
SCAN
o a a
This switch engages the
selective
mode
function.
Only
memory
channels with the
same
operating
mode
as
is
displayed
just
prior to
pushing
this
switch
are selected
when
the
TUNING
CONTROL
or
the scan function
is
used.
See
SECTION
8
for a
full
description of
the IC-751
A
scanning systems.
®SCAN
START/STOP SWITCH
[SCAN]
HAM/GENE
SPEECH
MODE-S
SCAN
USB
/
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zi
J
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,
/
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C
J
LI.
LI
C,
I
SCAN
VFO A
—
4
_
The
"SCAN"
indicator
lights
when
any
scan
function
is
activated.
®
TUNING
CONTROL
Rotate
this
control
clockwise to
increase,
or
counterclockwise
to
decrease the
frequency
or
memory
channel
number.
The
frequency
actually
changes
in
10Hz
steps
in
all
operating
modes
at
all
times,
however,
the tuning
rate
is
10Hz
if
the control
is
rotated slowly,
but
jumps
to
50Hz
if
the control
is
rotated
more
rapidly.
This allows
both
fine
and
coarse tuning of
your
operating
frequency without
removing your hand
from
the
TUNING CONTROL.
Refer to the
TUNING
SPEED SWITCH
description
below.
This switch
starts
and
stops
all
scan functions.
When
the scan
restarts,
it
begins
from
the
frequency
on which
the scan halted while
in
the
programmed
scan
mode,
or
from
the
highest
memory
channel
while
in
the
memory
mode.
See
SECTION
8
for a
full
description of
the IC-751
A
scanning systems.
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7
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