Ssb Operation - Icom ic-751a Instruction Manual

•VFO
A/B
SELECTION
USB
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VFO A
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USB
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Push
A/B
USB
VFO A
•
VFO MODE/MEMORY MODE
USB
VFO A
PushVFO/M
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SWITCH.
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USB
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SWITCH.
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USB
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VFO A
The IC-751A
contains
two
VFOs
for receiving
and
transmitting.
Push
the
A/B
SWITCH
to
select
VFO A
or
VFO
B
alternately
when
in
the
VFO
mode.
This dual
VFO
system provides
a
great deal of
operating
flexibility.
•
When
VFO A
is
selected,
"VFO A"
lights
on
the
display
and both
transmit and
receive frequencies
are as
indicated
on
the frequency
display. This
frequency and
the
mode
are stored
in
the
VFO A
memory.
•
When
VFO
B
is
selected,
"VFO
B"
lights
on
the display
and both
transmit
and
receive frequencies
are as
indicated
on
the frequency
display. This
frequency and
the rhode are stored
in
the
VFO
B
memory.
1)
Select
the frequency
14.230.0MHz
and
USB
using
VFO
A. Push
the
VFO
A/B SWITCH,
and
the display
shows
the
frequency and
mode
that
is
stored
in
VFO
B.
The
frequency
14.230.0MHz and
USB
are
still
stored
in
VFO
A, however.
2)
Push
the
VFO
A/B
SWITCH
again
and the display shows
the
VFO
A
information. Each time
the switch
is
pushed, the
alternate
VFO
is
selected.
Switching
from one
VFO
to the other
VFO
does not
clear
the
VFO
memories.
Push
the
VFO/MEMORY
[VFO/M] SWITCH
to
change
the
IC-751
A
from
the
VFO
mode
to the
MEMORY
CHANNEL
mode
or
vice versa.
When
in
the
MEMORY
CHANNEL
mode, any
of the
frequencies stored
in
the
32
memory
channels
may
be
selected
and
used.
•
OTHER
FUNCTIONS
Detailed descriptions for the other functions
available
on
the radio
are
given
in later
sections.
6 -3 SSB
OPERATION
(1)
SSB RECEIVING
1
)
Set
all
controls
and
switches
as
described
in
SECTION
6
-
1
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2)
Push IN
the
POWER
SWITCH.
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3)
Push
the
BAND
SELECT SWITCH
and
rotate
the
TUNING
CONTROL
to
select
the
desired
band
of operation.
Push
the
BAND
SELECT SWITCH
again to disable the band
select
func-
tion.
-
25
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