Rear View - Uniden Bearcat PC78LTX Owner's Manual

Item Definition
14 CB/PA: Selects CB (Citizen's Band) or PA (Public Address).
Do not use PA function unless an external speaker is connected.
15 NB/ANL/ANL/OFF switch: Reduces external noise and interfer-
ence from vehicle ignition systems.
16 S/RF/SWR/ CAL switch: Selects meter function. S/RF- normal;
SWR and CAL are for SWR measurements only. See page 11 for
calibration procedures.
17
Multi-function meter: Measures SWR, RF and S signal strength.

REAR VIEW

Item Definition
18
Antenna socket: Connects antenna cable to transceiver.
19 PA SP. jack: 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.
20 EXT. SP. jack: Connects optional 8-ohm 4-watt speaker to remotely
monitor the receiver.
When the external speaker is plugged in, the internal speaker is off.
21 POWER connector: Connects DC power to transceiver
8
9
7