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RTT
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2
saeornree'
MARS OPERATION ON THE IC-701
The
operation
of
the
IC-701
takes
into
account
the
desires
of
some
IC-701
owners
to
operate
on
the
MARS
(Militery
Affiliate
Radio
System)
frequencies.
Since
this
area
is outside
the
ham
band
frequencies
in
some
cases
small
modifications
must
be made
to
the
IC-701
for
this
opeation.
In
other
cases
the
frequencies
are
readily
available
from
the
dial.
The
most
popular
of
the
MARS
frequencies
lie
above
the-
top
end of the
HF bands
on
40 Meters
and
80 Meters.
In
the
case
of
the
40
Meter
frequencies
simply
tune
the
frequency
desired
below
7.49
MHz
and
operate
normally.
If
the
frequency
is
just
outside
the
top
of
the
tuning
range
grounding
#14
on
the
24
pin
accessory
socket
on
the
back
will
defeat
the
auto
bandedge
detection
circuit
and
make
it
possible
tune
to
the
frequency.
The
only
complication
in
this
matter
is
the
further
the
radio
is
tuned
from
the
bandedge
the
more
the
performance
of
the
IC-701
degrades
due
to
the
the
bandpass
filter
and
or
the
synthesizer.
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