Page
8
of
10
INSTRUCTION
MANUAL
Preamplifier
Model
PAM
‐
840A
19121
El
Toro
Rd
●
Silverado,
CA
92676
●
(949)
459
‐
9600
●
fax
(949)
635
‐
0329
●
com
‐
power.com
REV21113
5.3
Front
and
Rear
Panel
5.3.1
Front
Panel
The
simple
panel
shown
in
the
photo
below
consists
of
N
type
connector
for
RF
input
and
output,
power
switch
with
LED
indicator,
charging
indicator
and
battery
low
indicator.
Please
observe
the
maximum
input
rating
printed
on
front
panel.
When
the
battery
low
indicator
turns
on,
the
preamplifier
needs
charging.
However,
you
can
continue
using
it
powered
by
battery
charger
adapter.
The
battery
low
indicator
will
turn
off
when
the
adapter
is
plugged
and
the
charging
indicator
will
turn
on.
For
faster
charging,
turn
off
preamplifier.
5.3.2
Back
Panel
The
back
panel
shown
below
consists
of
fuse
holder
and
charging
adapter
input
socket.
Make
sure
to
use
only
the
charger
adapter
supplied
by
Com
‐
Power.
Damage
caused
to
the
preamplifier
by
using
an
alternate
adapter
will
void
warranty.
5.3.3
Battery
Replacement
The
replaceable
battery
pack
can
be
accessed
from
the
bottom
of
the
preamplifier.
Four
screws
secure
the
cover
to
the
battery
compartment.
If
the
batteries
are
no
longer
holding
the
charge,
replacement
battery
pack
can
be
purchased
from
Com
‐
Power.