Instruction/ maintenance manual of the product TRC-445 Samsung
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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.
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 .
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.
4 CONTENTS Ins ta ll at io n ..... .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. ... .. ... .. .. ... .. .. 5 Mounting the M icrophone Holder ...............................
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.
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.
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.
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 .
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 .
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.
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.
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.
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.
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.
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.
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.
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).
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 lo.
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.
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.
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.
22 SPECIFICATIONS GENERAL Channels ................ ..................... ........................ ................ .................... 40 Channels Frequenc y Range ..................................... ...................... 2 6.965 MHz to 27.405 MHz Power Re quirements .
23 PUBLIC ADDRESS Output Power .... .... ..... ..... ..... .... ..... ..... .... ..... ..... ..... .... ..... ..... ..... . 4.2 W att s (Maxim u m) Curre nt Dra in ( at maximum power) ..... ..... ..... .... ..... ..... .... ..... ..... ..... .... ....
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 nuf.
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If you already are a holder of Samsung TRC-445, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Samsung TRC-445.
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