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SECTION
4
INSTALLATION
4
-
1
PLANNING
Select
a
location for
your
transceiver
which
allows
free access
to the
front panel
controls,
good
air
circulation
and
rear
clearance for
access to
the
rear
panel connections.
•
PRECAUTIONS
4-2
MOUNTING
THE TRANSCEIVER
4-3
ANTENNA
•
Mobile
or
marine
installations:
An
optional
IC-MB18 mounting
bracket
is
available
to
mount
your
IC-751A.
Select
a
location
which
can support the weight of the
unit,
and which
does not
interfere
with the
normal
operation of
the
vehicle or boat.
Provide protection
from
direct rain
on
boats. "
Avoid
using the IC-751
A
in
the following
situations:
1)
Where
temperatures under
—
10°C
or over
+60°C
are
encountered.
For example,
DO NOT
use the IC-751
A
in
areas
exposed
to
direct
sunlight or near
heat-producing
devices
such
as
heaters or ranges.
2)
In
humid
or
moist
places including
bathrooms.
DO NOT
run the antenna
feedline near electronic
instruments
or
magnetic compasses.
The
optonal
IC-MB18
mounting
bracket allows
installation
of the
transceiver
ta
a
surface over the IC-751
A.
When
mounting
the
transceiver
aboard
a
boat, place
the bracket
in
a
location
which
minimizes
vibration
and
wave
shock.
Antennas
play
a
very
important
role
in
radio
communication.
If
the
antenna
is
inferior,
your
transceiver
cannot
give
you
the
best
performance.
A
well-matched
50
ohm
antenna
and
feedline
will
provide
the
desired
performance.
Since the IC-751
A
comes
standard with
a
general
coverage
receiver,
it
is
recommended
that
a
long wire
antenna
and antenna
tuner be
used
when
receiving
outside the
Amateur
bands.
The
tuner
will
ensure there
is
a
matched
condition
at
all
times.
An
Amateur
band
antenna
generally
does not
give
adequate performance
when
used
on
frequencies
for
which
it
was
not
designed.
•
MOBILE
ANTENNA
NOTE:
To
install
the
AH-2,
an
OPC-137
inter-
face cable
must
be purchased
separately.
The
I
COM
AH-2
Antenna System
may
be
bumper-mounted,
plus
it
offers
automatic band
switching
and
tuning
in
unison with the
IC:751A.
-
15
-
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