Troubleshooting; Specifications - Uniden Bearcat PC78LTX Owner's Manual

TROUBLESHOOTING

In the event of system malfunction, perform the following procedures:
Problem
Unit does not power up
No reception
Poor Reception
No Transmission
Low Transmission
Calibration does not move the
meter needle to the left side
If you do not get satisfactory results after performing these checks, visit
www.uniden.com for information.

SPECIFICATIONS

GENERAL
Channel:
CB Frequency Range:
Frequency Control:
Antenna Impedance
Frequency Tolerance:
Operating Temperature:
Microphone:
Power Input :
Suggestion
Check the ignition key position.
Check power cord connections.
Check fuse.
Check vehicle electrical system.
Check microphone connection.
Set CB/PA to CB.
Check VOLUME and SQUELCH.
Check antenna.
Check antenna connection.
Adjust RF Gain.
Check VOL and SQ.
Be sure antenna SWR is normal.
Adjust RF Gain.
Set CB/PA switch to CB.
Check microphone connection.
Adjust MIC Gain.
Be sure antenna SWR is normal.
Adjust MIC Gain.
Adjust the antenna length.
Check all antenna connections.
40
26.965 - 27.405 MHz
PLL synthesizer
50 ohms
±0.002%
CB: -22°F to 140°F (-30°C to 60°C)
Plug-in type; 600 ohms dynamic
13.8VDC
13