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Radio Shack TRC-445 manual

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  • Page 1

    Cat. No. 21-1573 OWNER’S MANU AL Plea se read before using this equipment . TRC -445 Deluxe 40-Channel Mobile CB Radio with Weather Alert 21-1 57 3.fm Page 1 Thurs da y, Augu st 5, 19 99 9:22 AM[...]

  • Page 2

    2 FEATURES Your RadioSha ck TRC-445 Delux e 40- Channel M obile C B Radio with Weather Alert is a high performan c e CB that also lets you tune t o local an d nation al weather service bro adcasts. Thi s CB is perfect for recreationa l, business, or emergency us e . You can call other peo- ple who have CB s at hom e, in their vehi- cles, or at camp[...]

  • Page 3

    3 WX/Aler t Ind icato r — shows the CB is ready to receive a weather alert signa l. RX /TX Indic ator — shows whet her the CB is transmitting or receiving. S/RF/SWR/CAL Swit ch — let s you quickly sel ect th e display for th e RF/sig- nal meter (radio input/output signal pow- er strength, st a nding wave ratio of t he antenn a, or SWR calibra[...]

  • Page 4

    4 CONTENTS Ins ta ll at io n ..... .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. 5 Mounting the M icrophone Holder .................................................... ................... 5 Mounting the T RC-445 ................ ....... ..... ..[...]

  • Page 5

    5 INSTALLAT ION MOUNTING THE MICROPHONE HO LDER Usin g a Ph illip s s crewdriv er and the supp lied screws and was hers, attach the suppl ied microphone holder to the CB’s left or right side either horizontally or v er ti ca lly . MOUNTING THE TRC-445 The most common m ounting location for this CB is u nder a vehicle ’s dashb oard. How ever, i [...]

  • Page 6

    6 4. Attach the CB to the mounting bracket using the rubber washers and mounting knobs . CONNECTING THE MICROPHON E 1. Align the slo t on top of the m icro- phone’s plug with the ri dge inside the MIC jack . Then fu lly in ser t t he plug into the j a ck. 2. T urn the plug’s locking n ut c lockwise to tighten it. 3. Slide the microphone onto th[...]

  • Page 7

    7 Connect ing an Ant enna Onc e you choose an antenna, follow the mounting instructions s upplied wit h the antenn a. Route the ant enna c able to the CB, t hen screw the cable into the AN- TENNA jack on the back of the CB. Cautions : • Do no t run t he cab le over sha rp edges or moving parts that mi ght damag e it. • Do not run the cable n ex[...]

  • Page 8

    8 USING THE CB AS A BASE STATION Although this CB is des igned for m obile use, you can also use it as a base s ta- tion. For base-station installation, you need the following items. • 12-volt D C po wer supply (such as Cat. No. 22-504) Cautio n : Most 12-v olt DC power supplies plug into a standard A C outlet to produce DC power . Before connect[...]

  • Page 9

    9 CONNECT ING OPTIO NAL EXTERNAL SP EAKERS You can connec t y our CB to a n e xternal CB speaker and a publi c-address spea ker. Note : When you connec t an external or PA s peaker, the CB’s i nternal speak er automat ically disconnec ts . Exter nal CB Speake r To connect an external CB speaker, use an 8-ohm speaker cap able of handling 3–10 wa[...]

  • Page 10

    10 ADJUSTING THE STAND I NG W AV E RATIO Most antennas are factory tuned . How- ever, you can us ually improve rad io per- formance by tuning your antenna system t o the CB’s RF output pow er us- ing the S WR meter on this rad io. Once you have i nstalled the a ntenna ac- cording to its instructions, follow these steps to adjust the standing w av[...]

  • Page 11

    11 STANDING W AVE RATIO CHART The id eal standing wav e ratio (SWR) reading is a 1:1 ratio, or a me ter reading of 1 on the SWR m eter’s top s cale (which you c an usuall y get only in labora t ory test con di- tions). A 1.5:1 to 2:1 S WR rat io is excell ent for mos t mobile CB anten na applications. This chart explains t he different re adings [...]

  • Page 12

    12 OPE R AT ION Before you start using your CB, you should know how t o use i t effectively and courteously. “CB Operation Tips” con tains inf orma tion that w ill h elp y ou get more enjoyme nt from using your CB. Cautio n : Do not attem pt to us e your CB without first connecting an antenna. T URNING ON T HE CB AND RECEIVING T RANSMISSION S 1[...]

  • Page 13

    13 6. T o manually tune chann els, turn the tuning control at t he right end of t he control panel t o select a chann el. The channe l number appe ars on the display , and the SWR/RF/signal meter s hows th e signal strength. Notes : • If you turn the tuning control sl i ghtl y to th e le ft o r rig ht, the TRC-445 rapidly scans down or up. • T [...]

  • Page 14

    14 Note : Do not speak too lou dly w hen transmitting. It does n ot ma ke your signal any s tronger , and might dis- tort y ou r transmission. 3. When you finish transm itting, release the m icrophone ta lk button. The TX/RX indicat or changes to green. T he TRC-445 can now receive transmissions. 4. T o turn off the T RC-445, turn OFF/ VOLUME count[...]

  • Page 15

    15 We ath er Alert In the eve nt of severe weather condi- tions, the Nat ional We ather Service broadc asts a speci al signal tone (1050 Hz) that th e TRC-445 sounds i f it is turned on. When t he radio receives this signal to ne, the WX/ALER T indic ato r glows red in the CB or P A m ode and or- ange in the WX mod e. If CB/WX/P A is se t to CB or [...]

  • Page 16

    16 CB OPERATION T IPS Like most activities, CB radio has i ts customs and court esies. The following tip s will h e lp you get the mo st enjo ym ent out of your CB. COMMON U SES FOR A CB RADIO Bu siness U ses • T ruck drivers and d elivery personnel can learn roa d and traf fic conditions and get assistance in locating desti- nations. A CB is als[...]

  • Page 17

    17 USIN G COMM ON 1 0-CODES Citizen’s band ope r a tors have larg ely adopted t he 10-codes for standard questions and ans wers. These codes permit faster com munication and b etter intelligibility in noisy areas. This t able lists codes ad opted by the Ass ociated Pub lic-Safety Commu nications Of- ficers (APCO). Code M eaning 10-1 Y our si g na[...]

  • Page 18

    18 MAXIMUM RANGE The maximum range and qua lity of CB transmissions vary depending on thes e conditions: • The t ype an d quality of ante nna used • The heigh t of the a ntenna’ s m ount- ing location — the hi gher the antenna, the better the signal’ s range • The surrounding te r rai n — moun- tains and tall buildings limit the range[...]

  • Page 19

    19 T ROUBLES HOOTING If your CB is not working as it sho uld, fol low the sugg esti o ns be low t o see if you can elim inate the pro blem. If you cannot, take the CB to y our local R adioShack st ore for assistanc e. S y mptom: Check That: T roubl e with reception • T he CB is turned on. • CB/WX/P A is s et to CB . • OFF/VOLUME is tu rn ed u[...]

  • Page 20

    20 CARE AND MA INTENANCE Your RadioShack TR C-445 Deluxe 40 -Channel Mobile CB Radio w it h Weat her Alert is an exampl e of superior desig n and craftsm anship. T he following sugge stions will help you care for y our TRC-445 so you can enjoy it for years. Keep the CB dry. If it gets wet, wipe it dry imm ediately. Liquids might contain minerals th[...]

  • Page 21

    21 REPLACING THE FUSES The T RC-445’s 2-am p fuses he lp pr o- tect y our CB from power s urges and short circui ts. • I f the red wire’s fuse is blown, replace it wi th a 2 -amp, fast-acting glass fuse, such as Cat. No. 270- 1007. • I f the oran ge wire’s fuse is blown, replace it wi th a 1 -amp, fast-acting glass fuse, such as Cat. No. [...]

  • Page 22

    22 SPECIFICATIONS GENERAL Channels ................ ..................... ........................ ................ .................... 40 Channels Frequenc y Range ..................................... ...................... 2 6.965 MHz to 27.405 MHz Power Re quirements ........... ..... .. ..... . 13.8 V DC (12–16 V olts DC, Negat ive Ground) [...]

  • Page 23

    23 PUBLIC ADDRESS Output Power . ..... ..... .... ..... ..... ..... .... ..... ..... ..... .... ..... ..... .... ..... .... 4.2 W atts (Max imum) Curre nt Dra in ( at maximum power) ..... ..... ..... .... ..... ..... .... ..... ..... ..... .... ..... .... 1.2 Amps WEATHER RAD IO Frequenc y Cov erage ............................. .. ................[...]

  • Page 24

    Ra di oS hac k A Di vision of T andy Corporation Fort Worth, T exas 761 02 1 1A 7 Pr inte d in T hai land Limi ted N ine ty -Day War ranty This pr oduct is warran ted by R adioShack a gai n s t ma nufacturing d efects in materi al and workman - ship u nder norma l use for ninet y (90) da ys from the date of purc hase from Ra dioShack comp any- owne[...]