background image

5. Adjust 

RF GAIN 

knob (small) to

optimize reception in strong signal
areas.

6. Adjust 

DELTA

knob (small) to

reduce or eliminate adjacent
channel interference.

7. Set meter switch to 

S/RF

.

7

Weather Information

Set 

SQUELCH

only

when

the radio is not receiving
a strong signal.

To configure your CB radio to receive weather
alerts while using your CB radio:

1. Set the switch to 

WX

.

2. Turn the 

Weather Channel

knob to the

channel with best reception.

Left at this setting, you will hear only weather
broadcasts and Weather Alert Signals.

To use your CB radio normally while monitoring for
weather alerts, set the switch to 

CB

.

When you hear a Weather Alert Signal, and desire to 
hear weather information, return the switch to 

WX

.

Your 

PC78 Elite

combines a 

CB Radio

with a 

Weather Radio

and a

Weather Alert System

. The Weather Radio continually broadcasts weather

conditions. The Weather Alert System sounds a seven-second signal in the
event of severe weather.

UC343FH  10/23/03  2:32 PM  Page 7

Содержание Bearcat PC78 Elite

Страница 1: ......

Страница 2: ...tenance 9 Maintenance 9 Troubleshooting 10 Servicing Your Transceiver 10 Radio Code Definitions 11 Specifications 12 Two Year Extended Warranty 13 Contents Carefully unpack your PC78 Elite and check t...

Страница 3: ...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 responsi...

Страница 4: ...hannel 9 Channel Knob Selects channel 10 Channel Display Displays current channel selection 11 RX TX Indicator Red transmitting green receiving 12 ANT Indicates a high SWR condition in antenna system...

Страница 5: ...eaker is plugged in the internal speaker is off To prevent acoustic feedback separate the microphone from the speaker when operating the PA at high output levels 17 CB WX PA Selects PA Public Address...

Страница 6: ...alling 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 qualified to help y...

Страница 7: ...m Some older cars and some new large trucks use a positive ground system With a negative ground system the negative battery terminal is usually connected to the vehicle motor block If you cannot deter...

Страница 8: ...can get through 4b Turn SQUELCH fully counter clockwise until you hear a hiss Everything gets through noise weaksignals and strong signals 4c Turn SQUELCH back clockwise until the hiss stops Only clea...

Страница 9: ...er Channel knob to the channel with best reception Left at this setting you will hear only weather broadcasts and Weather Alert Signals To use your CB radio normally while monitoring for weather alert...

Страница 10: ...t MIC GAIN 3 When the channel is clear press the microphone PTT switch and speak To measure SWR 1 Position meter switch to CAL 2 Press and hold microphone PTT switch Transmit 3 Calibrate meter with SW...

Страница 11: ...Every six months 1 Check the Standing Wave Ratio SWR 2 Be sure all electrical connections are tight 3 Inspect antenna coaxial cable for wear or breaks in shielding 4 Be sure all screws and mounting h...

Страница 12: ...IC GAIN and adjust to MAX 10 Troubleshooting Servicing Your Transceiver If you do not get satisfactory results after performing the above checks call the Uniden Customer Service Center at 1 800 297 10...

Страница 13: ...0 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 Confidential information 10...

Страница 14: ...e 300 to 3000 Hz Output Impedance 50 ohm unbalanced Receiver Sensitivity Less than 1 V for 10 dB S N N Selectivity 6 dB 7 kHz 60 dB 10 kHz Image Rejection 80 dB typical Adjacent Ch Rejection 60 dB typ...

Страница 15: ...the unit with a new or 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 NATUR...

Страница 16: ......

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