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5. CLARIFIER:
The clarifier
is normally
set to the center position.
This feature
has several uses and can greatly enhance receiver operation.
If a receive signal is
slightly
off frequency,
th is control
can be operated to optimize
the receive
signal. This control
is primarily
intended to tune in SSB signals, but, it may be
also used to optimize the AM signal.
6. MIKE
GAIN:
This control
is used to adjust, as required, microphone
input
sensitivity
for optimum
amount of modulation
in transmit.
UNIDEN's
marine
band transceivers have been designed to permit
the user to attain
levels of
modulation
up to 100% depending on the setting of the microphone
gain con-
trol,
using the
microphone
provided
with
the unit.
UNIDEN's
automatic
compression
and peak
limiting
circuits
assure maximum
modulation
with
minimum distortion.
7. DUAL WATCH BUTTON: Provides
for automatic
monitoring
of channel 88.
Push "DUAL"
button and the watch is set. Now select any other legal channel
and every second the receiver will leave the main channel and sample activity on
Channel 88.
If
activity
is found,
receiver will
remain on Channel 88 until
message is complete.
Channel 88 thus has priority
over the main channel. To
disable the watch function,
push
"DUAL" Button. Whilst
in DUAL
position.
please note that transmitter
is not available to transmit, push CH88 switch.
8. CH88 SWITCH: This switch is for use
when
emerg~ncy
communication
is
needed on the emergency channel, CH88, Pressing the CH88 switch activates
CH88 regardless of the position
of the channel selector
switch. When CH88
switch is pressed, the channel display
is blanked
and the CH88 indicator
is
activated.
9. PA-TX/RX SWITCH: This control engages the PA function. The PA function
should not be used unless an external speaker
is
connected. In the TX/RX
position, the PA function is disabled and the radio will transmit and receive on
the selected channel.
10. NB/ANL SWITCH: When the switch is placed in the NB/ANL position, both RF
Noise
Blanker and Automatic Noise Limiter circuits are activated. The NB is
very effective for repetitive impulse noise such as ignition noise.
The ANL
reduces
annoying hash-type noises.
11. RF
GAIN: This control
is used primarily to optimize reception in strong
signal
areas.Gain is reduced by counterclockwise rotation of the control.
INDICATOR FUNCTION
1. S/RF METER: This meter displays
relative transmitter
RF
output
power when
transmitting,
and input signal strength when receiving. The meter is illuminated
when power
is on.
-9-
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