Controls And Functions - Uniden PC78LTW User Manual

pc78ltw.qxd 2/24/99
C C o o n n t t r r o o l l s s a a n n d d F F u u n n c c t t i i o o n n s s
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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