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1

Your Uniden 

PC78XL

represents the highest quality communications device

designed for use in the Citizens Band Radio Service. It will operate on any of the
40 AM frequencies authorized by the Federal Communications Commission (FCC).  

The FCC has ruled that CB Radio Service operators are no longer required to
obtain an FCC License to operate their CB equipment. In doing so, the FCC also
decided to permit CB station operation without station identification.

Elimination of individual station licenses does not reduce the operating
privileges or responsibilities of CB users. An operator of a CB radio station is still
required to comply with the Communications Act and with the rules of Citizens
Band Radio Service

.

Uniden is a registered trademark of Uniden America Corporation.

1.

Set the switch to 

CH9

or turn 

Channel Selector

knob to 

Channel 9

.

2.

Press 

PTT

switch on microphone and speak clearly.

3.

If there is no response, select an active channel and ask that party to
relay your emergency broadcast on 

Channel 9.

All channels, except Channel 9 may be used for normal
communication. Channel 9 is reserved by the FCC for
emergency communications involving the immediate safety of
individuals or protection of property. Channel 9 may also be
used to render assistance to a motorist.

This is an FCC rule and applies to all operators of CB 

radios.

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Features, Specifications, and availability of Optional 
Accessories are all subject to change without notice.

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The Citizens Band Radio Service is under the jurisdiction of the
Federal Communications Commission (FCC). Any adjustments or
alterations which would alter the performance of the transceiver's
original FCC type acceptance, or which would change the
frequency determining method, are strictly prohibited.
Replacement or substitution of crystal, transistors, ICs, regulator
diodes, or any other part of a unique nature, with parts other than
those recommend by Uniden, may cause violations of the
technical regulations in Part 95 of the FCC Rules or in violation of
type acceptance requirements in Part 2 of the rules.

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pc78xl.qxd  2/25/99  10:09 AM  Page 1

Summary of Contents for PC78XL - Bearcat Pro

Page 1: ...COVER pc78xl qxd 2 25 99 10 09 AM Page 1...

Page 2: ...sceiver 10 Troubleshooting 10 Radio Code Definitions 11 Specifications 12 Two Year Extended Warranty 13 Carefully unpack your PC78XL and check the contents against this list n PC78XL CB 2 way mobile r...

Page 3: ...ls except Channel 9 may be used for normal communication Channel 9 is reserved by the FCC for emergency communications involving the immediate safety of individuals or protection of property Channel 9...

Page 4: ...nnel Display Displays current channel selection 10 RX TX Indicator Red transmitting green receiving 11 ANT Indicates a high SWR condition in antenna system Check antenna cable and connections 12 Dynam...

Page 5: ...ength REAR VIEW 19 POWER Connects DC power to transceiver 20 EXT SP Connects optional 8 ohm 4 watt speaker to remotely monitor receiver 21 PA SP Connects external 8 ohm 4 watt speaker to use as public...

Page 6: ...ormance by installing an inferior antenna Only a properly matched antenna system will allow maximum power transfer from the 50 ohm transmission line to the radiating element Your Uniden dealer is qual...

Page 7: ...e negative battery terminal is usually connected to the vehicle motor block If you cannot determine the polarity system of your vehicle contact your vehicle dealer for information Negative Ground Syst...

Page 8: ...teps 4 Turn SQUELCH fully clockwise so only strong signals can get through 4b Turn SQUELCH fullY counter clockwise until you hear a hiss Everything gets through noise weak signals and strong signals 4...

Page 9: ...2 Adjust MIC GAIN 3 When the channel is clear press the microphone PTT switch and speak Be sure to read and understand Part 95 FCC Rules and Regulations before operating your transmitter Perform a vo...

Page 10: ...2 is acceptable Higher readings indicate a problem in the antenna system Problems may be caused by humidity vibration or corrosion Check both ends of the coaxial cable connector Also check for damage...

Page 11: ...ser serviceable parts inside Except for the fuse in the DC power cord no maintenance is required To replace a blown fuse 1 Press ends of the fuse holder together Twist to open Carefully separate the t...

Page 12: ...MAX If you do not get satisfactory results after performing the above checks call the Uniden Customer Service Center at 1 800 297 1023 8 00 a m to 5 00 p m CST Monday through Friday Technical informat...

Page 13: ...ify your station 10 29 Time is up for contact 10 30 Does not conform to FCC rules 10 32 I will give you a radio check 10 33 EMERGENCY TRAFFIC 10 34 Trouble at this station Code Meaning 10 35 Confident...

Page 14: ...ctivity 6 dB 7 kHz 60 dB 10 kHz Image Rejection 80 dB typical Adjacent Ch Rejection 60 dB typical IF Frequencies Double Conversion 1st 10 695 MHz 2nd 455 kHz Automatic Gain Control AGC Less than 10 dB...

Page 15: ...r refurbished unit THE LIMITED WARRANTY SET FORTH ABOVE IS THE SOLE AND ENTIRE WARRANTY PERTAINING TO THE PRODUCT AND IS IN LIEU OF AND EXCLUDES ALL OTHER WARRANTIES OF ANY NATURE WHATSOEVER WHETHER E...

Page 16: ...back cover pc78xl qxd 2 25 99 10 09 AM Page 14...

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