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Radio Shack TRC-488 - page 1
Cat. No. 21-1585A OWNER’S M ANUAL 40-CHANNEL 2-W AY CB RADIO Please read before using this equipme nt. TRC-488 21-1 585. fm Page 1 Th urs day, Au gu st 5, 19 99 9:3 9 A M ...
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Radio Shack TRC-488 - page 2
2 FEA TURES © 19 96 Tandy Cor p or at ion . All Righ ts Res erv ed . Ra dio Sh ac k is a re gi ster ed tr adem ark use d b y T andy Co rpora tio n. Your Ra dio S hack T RC-488 40-Cha n- nel 2-Way CB Radio is a high perfor- mance c itizen’s b and rad io that al so lets you tune to nat ional we ather ser- vice broad casts. Thi s CB is pe rfect f o ...
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Radio Shack TRC-488 - page 3
3 CONTENTS Ins talla tion .... .... ..... ..... ..... .... ... .... ..... ..... ..... .... ... .... ..... ..... ..... .... ... .... ..... ..... ..... .... ... 4 Mounting the TRC-488 ........ . .................. . ............... . ....................... . ................ 4 Mounting the M icrophone Hol der ........................... ............ ...
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Radio Shack TRC-488 - page 4
4 IN ST ALLA TION MOUNTING THE T RC-488 If you use the TRC-488 as a base st a- tion, you can mou nt it on a des k, shelf, or table. The m ost comm on m ountin g location for the CB is under a vehicle’s dash- board. If you use the T RC-488 in a v e- hicle, mount it securely to avoid damage t o the CB or vehicle o r injury to anyone in t he vehicle ...
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Radio Shack TRC-488 - page 5
5 4. Attach the CB t o the mount ing bracket using the supplied rubber washers a nd moun ting knob s. MOUNTING THE MICROPHON E HOLDER With a P hillips screwdriver and the supplied screws an d washers, attach the suppl ied microph one holder to the CB ’ s r ig ht s id e. (illus) (illu s) 21-1 585. fm Page 5 Th urs day, Au gu st 5, 19 99 9:3 9 A M ...
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Radio Shack TRC-488 - page 6
6 CONNECTIONS CONNECTING THE MICROPHON E 1. Make s ure the p ins o n the m icro- phone c able’s plug are al igned with the holes in the CB ’ s MICRO- PHONE jack on the CB’ s le ft sid e and insert the plug into the j a ck. 2. Slide the micr ophone ont o the microphone hold er . To disconnec t the microphone cable, press and hold do wn the sma ...
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Radio Shack TRC-488 - page 7
7 CONNECTING POWER Usin g V ehicle Bat tery Pow er Follow these steps to power th e CB from your vehi cle’s battery. 1. Make sure the CB is turned off. 2. Disconnect the cabl e from your vehicle battery ’ s neg ative ( – ) ter- minal. 3. Connect t he black GRO UND wir e to a metal part of your vehicle’s frame. Note : Be sure the metal part ...
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Radio Shack TRC-488 - page 8
8 3. Connect t he black GRO UND wir e to the DC powe r supply’s neg ative (–) terminal. 4. Connect bot h the red TO SWITCHED ACCESSORY and orange BA TT + wires, with i n-lin e fuses, to the DC power supply’s positive (+) terminal. These wires supply po wer to op er- ate your CB a nd b ackup t he last- channel m emory . 5. Connect the DC power ...
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Radio Shack TRC-488 - page 9
9 2. Route the cable betwe en the antenna and the CB. 3. Connect the cable to t he ANTENNA ja ck on th e b ac k o f t he CB. Cautio n : Do not run the cab le: • Over sharp edges or m oving parts that mi ght da mage t he cable • Next to power cables or other CB antenna cables • Through the engine co mpartment or other areas t h at produce extr ...
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Radio Shack TRC-488 - page 10
10 OPE R A TION SETTI NG SQUELCH Cautio n : Do not attempt to use your CB without f irst conn ecting it to an a n- tenna. 1. T urn VOLUME clockwise until it clicks to turn on the CB, then set it to about halfway betwe en the min- imum and m aximum settings. The CB tu ne s to the las t -s el e c ted channel. 2. T urn SQUELCH fully counterclock - wis ...
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Radio Shack TRC-488 - page 11
11 Your T RC-488 rece ives the following frequencies av ailable to NOAA: 162.400 M Hz 162.500 MHz 162.425 M Hz 162.525 MHz 162.450 M Hz 162.550 MHz 162.475 M Hz To select one of the se ven avai lable weather channe ls, set t he mode sel ec- tor t o W1- W7 . T he yellow WX LED ligh ts. RECEIVING TRANSMI SSIONS ON THE CHANNELS After setting squelch, ...
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Radio Shack TRC-488 - page 12
12 4. If necessary , turn RF .G AIN clo ck- wise to i ncreas e the signal sensi- ti vi ty . To turn of f the T RC-488, t urn VOLUM E counterclock wise until you hear it click. TR A NSMI TTING We recommend you s p end some time receiving transm issions b ef o re you tr y to transmit a m es sage y ourself. F oll ow t hes e st eps to t ra nsm it . 1. ...
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Radio Shack TRC-488 - page 13
13 CB TIPS Like any other activity, CB radio has its rules and c ourtesies. The following tips will help you g et the most e njoyment out of your CB . COMMON USES FOR A CB RADIO Bu siness Use s • T ruck drivers and del ivery perso n- nel use it to get road and t raff i c conditions a nd obtain assistan ce in locating destinations. A CB is good co ...
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Radio Shack TRC-488 - page 14
14 USING COMMO N 10 -CO DES Citizen’s band operators have largely adopted the 10-codes for st anda rd questions and a nswers. T hese codes p ermit fas ter c ommuni catio n and better in telligi bility in noisy areas. The following table lists some of the more commo n codes and thei r meanings. Code M eaning 10-1 Recei vin g poorl y/Cannot underst ...
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Radio Shack TRC-488 - page 15
15 TRO U BLES HOOTING If your CB is not working as it should, f ollow the suggestions below to tr y to eliminate the problem . If the C B is still n ot workin g properly, take t he CB to your local Radi o Shack store for a ssistance. Prob lem S olut ion Trouble with reception. • Be sure the CB is turned on. •B e s u r e VOLUME i s t urned up. ? ...
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Radio Shack TRC-488 - page 16
16 MAXIMUM RANGE The maximum range and quality of CB transmissions vary dep ending on: • The type an d quality of ant enna used. • The height of t he antenna’s mounting locat ion (the higher the antenna, the better the reception). • The surrounding terrain (mou n- tains and tall buildings limit the range). • The weather c onditions. • T ...
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Radio Shack TRC-488 - page 17
17 MAINTENANC E Your TRC-488 40 - C hannel 2-Way CB Rad io is an example of superior design and craftsmanship. The following sugge stions will help y ou care for your CB so you can enjoy it f or years. Keep the CB dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. Handle the CB g e ...
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Radio Shack TRC-488 - page 18
18 REPLACING THE FUSES The TRC-488’s red wire 2-amp in-li ne fuse helps protect your CB from pow er surges and short-circuits. If the fuse has blown, replace it wit h a 2-am p, fast-acting glass fuse (s uch as Cat. No. 270 -1007). The orange wi re’s 1-amp in-line fuse helps protect y our CB’s memo ry chan- nel backup from power surges and sho ...
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Radio Shack TRC-488 - page 19
19 SPECI FICA T IONS RECEIVER W eather Freque ncy Co verage . .... ..... ..... .. ..... ..... .... ..... ..... .. ..... ..... .... .... 162. 400 MHz 162.42 5 MH z 162.45 0 MH z 162.47 5 MH z 162.50 0 MH z 162.52 5 MH z 162.55 0 MH z Frequency Coverage ............. . ....................... . ............ A l l 40 CB Channels (Class D) 26.965 to 27 ...
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Radio Shack TRC-488 - page 20
RADIO S HACK A Divisi o n of T andy Corpor ation Fort Worth, T exa s 76102 10A6 Printed in Thaila nd GENERAL Power Requir ements ... .... ..... ..... ..... .... ..... ..... .. ..... 12-16 V olt s DC, Neg a tive Ground Dimen sions . .. ..... ..... ..... .... ..... ... .... ..... ..... .... ..... ... .. 1 13 / 16 ¥ 5 13 / 16 ¥ 7 1 / 2 Inches (H WD) ...
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