2
FRONT VIEW -
PC78LTW
BACKLIGHTED PANEL
1.
Microphone Jack
2.
ON OFF - VOLUME
: Turns radio on or off; adjusts speaker volume.
3.
SQUELCH
: Reduces background noise when there is no
incoming signal.
4.
RF GAIN:
Improves reception in strong signal areas.
5.
MIC GAIN
: Adjusts microphone sensitivity.
6.
DELTA TUNE
: Fine tunes the receiver.
7.
SWR
: Calibrates the meter for Standing Wave Ratio
(
SWR
) measurements.
8.
Weather Channel
Knob: Selects weather channel.
9.
Channel
Knob: Selects channel.
10.
Channel Display
: Displays current channel selection.
11.
RX/TX
Indicator:
Red
-transmitting;
green
-receiving.
12.
ANT
: Indicates a high SWR condition in antenna system. Check
antenna, cable and connections.
13.
Dynamic Squelch Control (DSC)
: Automatically sets Squelch to
optimal level for stronger signals.
14.
CH9/OFF
: Turns Channel 9 on or off.
15.
BRT/DIM
: Adjusts the brightness of LED Channel Display, RX/TX
Indicator, and RF Signal Meter.
16.
NB/ANL
: Reduces external noise and interference from vehicle
ignition systems.
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