Installation; Mobile Installation; Mobile Antenna - Uniden Bearcat PC687 Owner's Manual

16. Antenna socket: Connects antenna to the unit.
17. PA SP: Connects optional external 8-ohm, over 5-watt speaker for
use as a public address system.
To prevent acoustic feedback, separate the microphone from the speaker
when operating the PA at high output levels.
18. EXT. SP: Connects optional external 8-ohm, over 5-watt speaker
for CB and WX operation.
When the external speaker is plugged in, the internal speaker is off.
19. POWER: Connects DC power to transceiver.
20. Fuse.
21. PTT: Push-to-Talk.

InstAllAtIon

moBIle InstAllAtIon

Plan the location of the transceiver and microphone bracket before
beginning installation.
1. Select a location that is convenient for operating the radio but
does not interfere with the driver or passenger.
2. Install bracket with self-tapping screws provided.
3. Connect power cords (see page 9).
4. Attach the microphone bracket to side of the radio.
5. Attach radio to bracket.

Mobile Antenna

WARNING! The antenna used for this radio must be installed at least 13.4
inches (34 cm) away from all persons. The antenna must not be collocated
or used with any other antenna or transmitter.
CAUTION: Never operate your radio with no antenna or with a damaged
antenna cable. This can damage the radio.
You must purchase an antenna to operate this radio. Because the
maximum power output of the transmitter is limited by the FCC, the
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