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Cat. No. 21-1702

OWNER’S MANUAL

Please read before using this equipment.

TRC-502

40-Channel Mini Mobile CB Radio

21-1702.fm  Page 1  Thursday, August 5, 1999  1:02 PM

Summary of Contents for TRC-502

Page 1: ...Cat No 21 1702 OWNER S MANUAL Please read before using this equipment TRC 502 40 Channel Mini Mobile CB Radio 21 1702 fm Page 1 Thursday August 5 1999 1 02 PM...

Page 2: ...d transmit power Adjustable Squelch helps to elimi nate noise between transmissions Automatic Modulation prevents the transmitter signal from over modulating and distorting PLL Frequency Synthesizer p...

Page 3: ...r replace anything in your CB radio Your CB radio might cause TV or radio interference even when it is operating properly To determine whether your CB radio is causing the interference turn off your C...

Page 4: ...tation 8 Operation 10 Receiving Transmissions and Adjusting Squelch 10 Transmitting 11 Operational Hints 12 Common Uses for a CB 12 Personal Uses 12 Business Uses 12 Transmission Courtesy 12 Using Com...

Page 5: ...holes at the desired location 2 At each marked position drill a hole slightly smaller than the mounting screws Caution Be careful not to drill into anything behind the mounting sur face 3 Mount the h...

Page 6: ...crews Caution Be careful not to drill into objects behind the mounting sur face 3 Mount the bracket to the mounting surface with the 1 5 inch 5 mm mounting screws spring washers plain washers and nuts...

Page 7: ...take advantage of your radio s maxi mum range adjust the antenna s Stand ing Wave Ratio SWR using an SWR meter such as Cat No 21 523 Follow the instructions supplied with the SWR meter and antenna to...

Page 8: ...a 13 8V DC power supply that can supply at least 1 5 amps such as Cat No 22 504 Caution Most 13 8V DC power supplies plug into a standard AC outlet to produce DC power Before connecting your CB to a 1...

Page 9: ...n the DC power supply 4 Connect the CB s red wire to the positive terminal on the DC power supply 5 Connect the DC power supply to a standard AC outlet Caution To prevent damage to the CB be sure you...

Page 10: ...e channel num ber appears 3 Press or on the base to select the desired channel 4 Adjust VOLUME to a comfortable lis tening level 5 To cut out background noise between transmissions wait until there is...

Page 11: ...on Page 10 2 To transmit press PUSH TO TALK on the microphone The red TX indica tor lights Hold the microphone 2 3 inches from your mouth and speak in a normal tone of voice 3 To turn off the CB turn...

Page 12: ...ooking back at camp Business Uses For security officers a CB is more than a convenience it is a must for both safety and efficiency Truck drivers and delivery personnel can learn road and traffic cond...

Page 13: ...Message received and under stood 10 5 Relay information to _____ 10 6 I am busy or are you busy 10 7 Out of service 10 8 In service 10 9 Repeat last message 10 10 Negative NO 10 11 _____ in service 1...

Page 14: ...e try to eliminate the noise by finding its source You can determine the noise s source by turning off the engine and operating the CB with your vehicle s ignition set to ACC or ON If the noise is red...

Page 15: ...E CB has trouble transmit ting Turn power on Antenna connected Secure connections All connections free of corrosion Clean and tighten Microphone connector loose Firmly press connector into MIC jack Ra...

Page 16: ...istort or melt plastic parts Keep the CB away from dust and dirt which can cause premature wear of parts Handle the CB gently and carefully Dropping it can damage circuit boards and cases and can caus...

Page 17: ...so might damage your CB Follow these steps to replace the fuse 1 Make sure the power source and CB are both off 2 Hold the fuse holder by both ends push the ends together twist one end counterclockwi...

Page 18: ...Class D 26 965 to 27 405 MHz Frequency Tolerance 100 Hz Nominal Output Power 3 7 Watts Nominal Modulation Type A3 Antenna Impedance 50 Ohm Spurious Emission 67 dB or Better Modulation Capability 90 C...

Page 19: ...19 NOTES 21 1702 fm Page 19 Thursday August 5 1999 1 02 PM...

Page 20: ...ng the warranty period take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store RadioShack will at its option un less otherwise provided by law a correct the...

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