8.
Mode
switch
This switch is used
to
select the mode:
FM
(F),
USB
(U),
or
LSB
(L).
9. Noise blanker switch
(SSB
only)
Thls
switch
is
used to
reduce
pulse
type ignition
noise.
10. Channel selector
These three switches are
for
setting the
transceiver to any desired
operating frequency within the specifications.
The switches select
lMHz,
100 kHz and 10 kHz steps. A
+5
kHz switch
is also fitted
so
as to allow
selection
of
frequency in 5 kHz steps.
11. LED illumination
The
green
LED i.llunrinates both the
S/BATT
meter
and the thumb-
wheel switches simultaneous!y. In transmit,
the red LED should
light.
lf
the
red LED flashes
on
and off in the transmit mode, the batteries
should be replaced or charged.
lf
the
red LED continues flashingafter
replacing
or
charging
batteries,
the set may be
faulty. In
this
case,
you
should stop operating the set and
consult
your
Belcom dealer at once.
12.
External
speaker connector
(3.5
O
plug)
This
socket
is for
connection of
external
speaker
or earphone of 8 ohm
impedance. When a
plug
is inserted into this socket, the
internal loud-
speaker
is
disconnected.
Decrease receiver volume before
inserting
the
earphone
plug
into the socket.
13. Externalmicrophone connector
(2.5
d
plug)
This socket is for use with a remote microphone
(2
Kohm impedance),
such
as the optional SH-l speaker/mic.
lf a
plug
is inserted into the
socket, the internal microphone is disconnected.
For
use of any
micro-
phone
other than
the
SHI
,
refer to the following diagram according to
the type of
nicrophone
to be .rsed.
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