Radio Shack 21-1709, Owner'S Manual

Page 1: ...Cat No 21 1709 OWNER S MANUAL Please read before using this equipment TRC 519 40 Channel Mobile CB Radio with WX Alert and SAME 21 1709 fm Page 1 Monday January 29 2001 10 29 AM ...

Page 2: ...ty Seven Preprogrammed Weather Channels let you manually select from ten US weather frequencies to stay informed about current weather condi tions as you travel RF Gain Control prevents overload ing due to strong RF signals Maximum Allowable Legal Power Output gives you the greatest avail able range TX Indicator lights to show when the radio is transmitting Digital Channel Display makes the channe...

Page 3: ... 9 Receiving Transmissions and Setting Squelch 9 Transmitting 10 Listening to the Weather Band 10 Using Weather Alert SAME 11 Common Uses for a CB 12 Business Uses 12 Personal Uses 12 Transmission Courtesy 13 Maximum Range 13 Reducing Noise 13 Using Common 10 Codes 15 Weather Channel Frequencies 16 Troubleshooting 17 Care and Maintenance 18 Replacing the Fuse 19 The FCC Wants You to Know 19 Specif...

Page 4: ...n the supplied mounting screws Caution Be careful not to drill into anything behind the mounting sur face 3 Attach the holder at the mounting location using the supplied machine screws and lock washers MOUNTING THE CB The most common mounting location for this CB is under a vehicle s dashboard However if you use the TRC 519 as a base station you can place it on a desk shelf or table see Using the ...

Page 5: ... 3 Using a Phillips screwdriver attach the mounting bracket to the mount ing surface with the supplied screws and lock washers 4 Attach the CB to the mounting bracket using the supplied rubber washers and mounting knobs CONNECTING THE MICROPHONE 1 Align the slot on the bottom of the microphone s plug with the ridge inside the microphone jack Then fully insert the plug into the jack 2 Turn the plug...

Page 6: ...urces of electrical noise vertically Once you choose an antenna follow its mounting instructions Then route the cable to the CB and connect the cable to the ANT jack on the back of the CB Cautions Avoid routing the cable next to sharp edges or moving parts which might damage the cable Do not run the cable next to power cables or other radio antenna ca bles Do not run the cable through the en gine ...

Page 7: ...SP jack Your local RadioShack store carries a wide selection of suitable speakers USING THE CB AS A BASE STATION Although this CB is designed mainly for mobile use you can also use it as a base station with an AC power source For base station installation you need these items a 12 volt DC power supply that can supply at least 1 5 amps Caution Most 12 volt DC power supplies plug into a standard AC ...

Page 8: ... the antenna mast cable or guy wires can cause electrocution and death Call the power company to remove the antenna DO NOT at tempt to do so yourself 2 Connect the antenna to the ANT jack on the back of the CB 3 Connect the CB s black power wire to the negative terminal on the DC power supply 4 Connect the CB s red wire with the in line fuse to the positive termi nal on the DC power supply 5 Conne...

Page 9: ...urning OFF VOL UME clockwise The display lights and the channel appears Note The CB sounds an alert if it detects a weather alert signal see Using Weather Alert SAME on Page 11 6 Rotate VOLUME clockwise until you hear a hissing sound 7 Slowly turn SQUELCH clockwise until the hissing sound stops Note To receive very weak signals turn SQUELCH counterclockwise You hear noise between transmis sions bu...

Page 10: ...ANSMITTING Note We recommend you try receiving transmissions before you transmit 1 To transmit press the talk button on the microphone Hold the micro phone about 2 3 inches from your mouth and speak in a normal tone of voice The TX indicator turns on 2 When you finish transmitting release the talk button The TX indi cator turns off 3 To turn off the CB turn OFF VOLUME counterclockwise until it cli...

Page 11: ...coded in the sig nal To stop the alert tones press ALERT TONE OFF or the microphone s talk but ton SAME ALT continues flashing until you switch to WX To reduce the alert tone levels for sub sequent alerts hold down ALERT TONE OFF for about 2 seconds The tone stops and the indicator flashes slowly If the radio receives a new SAME code weather alert three low level short beeps sound while the indica...

Page 12: ...under US Government Department of Commerce COMMON USES FOR A CB Like most activities CB radio has its customs and courtesies The following tips will help you get the most enjoyment from your CB Business Uses Truck drivers and delivery personnel can learn road and traffic conditions and get assistance in locating desti nations A CB is also good company on those long hauls On construction crews a CB...

Page 13: ...n the higher the antenna the better the signal s range the surrounding terrain moun tains and tall buildings limit the range weather conditions the number of nearby CBs operating on the same channel standing wave ratio SWR between the antenna and the CB Note Your CB radio s transmission range is generally line of sight REDUCING NOISE The Audio Clarity Enhance ACE circuit uses compander compressor ...

Page 14: ...gh voltage noise suppression wires Install noise suppressors on your spark plugs or install new spark plugs that have built in noise sup pressors If problems persist check your alter nator generator and regulator gauges You can reduce the noise from these sources by using bypass capacitors at the various output volt age points Your local RadioShack store has a wide selection of noise suppression a...

Page 15: ...9 Repeat message 10 10 Transmission com pleted standing by 10 11 Talking to rapidly 10 12 Visitors present 10 13 Advise Weather Road conditions 10 17 Urgent business 10 18 Anything for us 10 19 Nothing for you Return to base 10 20 My location is____ 10 21 Call by telephone 10 22 Report in person to____ 10 23 Please stand by 10 25 Can you contact____ 10 26 Disregard last infor mation 10 27 I am mov...

Page 16: ... programmed with the follow ing United States weather service chan nel FM frequencies Channel Frequency MHz WX1 162 400 WX2 162 425 WX3 162 450 WX4 162 475 WX5 162 500 WX6 162 525 WX7 162 550 21 1709 fm Page 16 Monday January 29 2001 10 29 AM ...

Page 17: ...UELCH is adjusted properly Be sure RF GAIN is fully clockwise Make sure the CB is set to an operating channel Make sure the microphone is securely connected Press ACE to improve communication quality Check for a good antenna connection Trouble transmitting Make sure the antenna cable is securely connected to the antenna connector Make sure the antenna is fully extended Make sure all connections ar...

Page 18: ...t 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 cause the CB to work improperly Wipe the CB with a damp cloth occasionally to keep it looking new Do not use harsh chemicals cleaning solvents or strong detergents to clean the CB Modifying or tampering with t...

Page 19: ...ecified here Doing so might damage your TRC 519 4 Push the fuse holder ends together and twist one end clockwise THE FCC WANTS YOU TO KNOW Your CB might cause TV or radio inter ference even when it is operating prop erly To determine whether your CB is causing the interference turn off your CB If the interference goes away your CB is causing it Try to eliminate the in terference by moving your CB ...

Page 20: ... Output Power 4 Watts Maximum Allowed by the FCC Spurious Emission 65 dB or Better Transmit Battery Drain 1270 mA to 1870 mA from No Modulation to 80 Modulation Limit Modulation Frequency Response 1 kHz 0 dB Reference Lower at 450 Hz 3 dB Upper at 2 5 kHz 3 dB Modulation Type and Capacity A3 and 85 Microphone Sensitivity 3 µV for 50 Modulation GENERAL Channels 40 Frequency Range 26 965 MHz to 27 4...

Page 21: ...21 NOTES 21 1709 fm Page 21 Monday January 29 2001 10 29 AM ...

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Page 24: ...defect during 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 defect by product repair without charge for parts and labor b replace the product with one of the same or similar design or c refund the purchase price All replaced parts and products and ...