Uniden PC78LTW User Manual page 5

pc78ltw.qxd 2/24/99
17. CB/WX/PA Switch: Selects PA (Public Address) WX (Weather
Radio) or CB .
18. S/RF/SWR / CAL : Selects meter function. S/RF - normal;
SWR and CAL are for SWR measurements only. See page 8
for calibration procedures.
19. Multi-function Meter: Measures SWR , RF and S signal strength.
20. POWER : Connects DC power to transceiver.
21. EXT. SP .: Connects optional 8-ohm 4-watt speaker to remotely
monitor receiver.
When the external speaker is plugged in, the
internal speaker is off.
22. PA SP .: Connects external 8-ohm, 4-watt speaker.
To prevent acoustic feedback, separate the
microphone from the speaker when operating
the PA at high output levels.
23. ANT .: Connects antenna cable to transceiver.
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Do not use PA function unless an
external speaker is connected.
REAR VIEW
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