Radio Shack TRC-494 manuale d’uso

Cat. No. 21-1589 OWNER’S MAN UAL 40-Channel E mergency Plea se read before using this eq uipment. TRC-494 Citizen’s Band W eatheradio 21-1 589. fm Page 1 Th urs da y, Au gu st 5, 19 99 10: 10 AM[...]

Cat. No. 21-1589 OWNER’S MAN UAL 40-Channel E mergency Plea se read before using this eq uipment. TRC-494 Citizen’s Band W eatheradio 21-1 589. fm Page 1 Th urs da y, Au gu st 5, 19 99 10: 10 AM[...]

2 IN TRODUCTION © 1996 T andy Co rp ora tion . All Rights Res erved. Ra dio Shac k is a re gis tere d tr adem ark used by T andy Cor p ora ti on. Your Radi o Shack T RC-494 is a 40- channel em ergency citizen ’s band weatheradio that is spec ially de- signed for emerg ency situations. It comes with a h andy c arrying ca se so you can easily m ov[...]

2 IN TRODUCTION © 1996 T andy Co rp ora tion . All Rights Res erved. Ra dio Shac k is a re gis tere d tr adem ark used by T andy Cor p ora ti on. Your Radi o Shack T RC-494 is a 40- channel em ergency citizen ’s band weatheradio that is spec ially de- signed for emerg ency situations. It comes with a h andy c arrying ca se so you can easily m ov[...]

3 For your records, we urge you to record your CB’s serial number in the space b elow. The s erial number is on the CB’s back panel. Serial Nu mber:____ _______ ______ FCC IN FORMA TION The Fed eral Communications Com- mission (FCC) does n ot require you to have a li cens e t o operate t hi s CB. How ever, t h e FCC does require you to read a n[...]

3 For your records, we urge you to record your CB’s serial number in the space b elow. The s erial number is on the CB’s back panel. Serial Nu mber:____ _______ ______ FCC IN FORMA TION The Fed eral Communications Com- mission (FCC) does n ot require you to have a li cens e t o operate t hi s CB. How ever, t h e FCC does require you to read a n[...]

4 CONTENTS PREP ARA TION ... .... ..... .. ..... ..... ..... .... ..... .. ..... ..... ..... .... ..... .. ..... ..... ..... .... ..... ..... 5 Supplying P ower ... ... ....... ....... ....... ..... ....... ....... ..... ....... ....... ....... ..... ....... ..... 5 Usin g V ehicle B attery Power .... .... ..... ... .... ..... ..... .... ..... ... [...]

4 CONTENTS PREP ARA TION ... .... ..... .. ..... ..... ..... .... ..... .. ..... ..... ..... .... ..... .. ..... ..... ..... .... ..... ..... 5 Supplying P ower ... ... ....... ....... ....... ..... ....... ....... ..... ....... ....... ....... ..... ....... ..... 5 Usin g V ehicle B attery Power .... .... ..... ... .... ..... ..... .... ..... ... [...]

5 PREP ARA TION SUPPL YI NG POWER Usin g V ehicle Ba ttery P ower Follow these steps to power t he CB from your vehicle’s b attery. 1. Plug the small end of the sup- plied power cord i nto DC 12V on the side of the CB. Caution: Before plug ging the power cord’ s c igarette-lighter plug into yo ur vehicle’s ciga- ret te-lighte r socket, make s[...]

5 PREP ARA TION SUPPL YI NG POWER Usin g V ehicle Ba ttery P ower Follow these steps to power t he CB from your vehicle’s b attery. 1. Plug the small end of the sup- plied power cord i nto DC 12V on the side of the CB. Caution: Before plug ging the power cord’ s c igarette-lighter plug into yo ur vehicle’s ciga- ret te-lighte r socket, make s[...]

6 3. Install the b at teries in the holder as indicat ed by t he polari ty sym - bols (+ and –) marked on the holder . 4. S lide the bat tery pack’s case over the hol der until i t snaps into place. Note : Th e case s lides over th e holder in only one direction. If it doesn’t slide into plac e on the first try , do not force it! T urn the ca[...]

6 3. Install the b at teries in the holder as indicat ed by t he polari ty sym - bols (+ and –) marked on the holder . 4. S lide the bat tery pack’s case over the hol der until i t snaps into place. Note : Th e case s lides over th e holder in only one direction. If it doesn’t slide into plac e on the first try , do not force it! T urn the ca[...]

7 Using the An tenna’ s Magnet ic Base Note : The suppli ed magnet ic mount base i s designed for emergenc y use only whil e your v e hicle is sto pped. If yo u w a n t t o u s e th e C B wh e n the ve - hicle is m ovin g, you need an o ptional standard m ount antenna (av ailable at you r local Rad io Sha ck store). Y ou also need a p lug ada pte[...]

7 Using the An tenna’ s Magnet ic Base Note : The suppli ed magnet ic mount base i s designed for emergenc y use only whil e your v e hicle is sto pped. If yo u w a n t t o u s e th e C B wh e n the ve - hicle is m ovin g, you need an o ptional standard m ount antenna (av ailable at you r local Rad io Sha ck store). Y ou also need a p lug ada pte[...]

8 USING THE CB Before you start usin g your CB, y o u should know ho w to use it effectively and cou rteously. “CB Ope ration Tips” contains information that will help you use and enjoy your CB. Note: Before you operate the CB, be sure you connect a power source and an antenna to the CB. 1. T urn VOLUME cl o c kw i se to t u rn on the CB. The v[...]

8 USING THE CB Before you start usin g your CB, y o u should know ho w to use it effectively and cou rteously. “CB Ope ration Tips” contains information that will help you use and enjoy your CB. Note: Before you operate the CB, be sure you connect a power source and an antenna to the CB. 1. T urn VOLUME cl o c kw i se to t u rn on the CB. The v[...]

9 In an e mergency , b roadc ast your “CLIP”: Call sig n — identify yourself Location — be ex ac t Inju ries — number of inj u red, type of injuries, and so on Proble m — gi ve comp le te detai ls. Give information calmly , clearly , and in as few words as po ssib le 6. W hen you finish transm itting, release PUSH TO T A LK . Y ou c an [...]

9 In an e mergency , b roadc ast your “CLIP”: Call sig n — identify yourself Location — be ex ac t Inju ries — number of inj u red, type of injuries, and so on Proble m — gi ve comp le te detai ls. Give information calmly , clearly , and in as few words as po ssib le 6. W hen you finish transm itting, release PUSH TO T A LK . Y ou c an [...]

10 USING THE WE A T HERADIO In th e U SA , d etai le d w ea th e r i nf o r- mation is continuous ly broadcast o n 372 government weather stations. Each st ation broadcast s on A — 162.400, B — 162. 475, or C — 162.550 M Hz. Most weather stations us e frequency C , bu t in locations where there m ight be interferen ce between stations , the o[...]

10 USING THE WE A T HERADIO In th e U SA , d etai le d w ea th e r i nf o r- mation is continuous ly broadcast o n 372 government weather stations. Each st ation broadcast s on A — 162.400, B — 162. 475, or C — 162.550 M Hz. Most weather stations us e frequency C , bu t in locations where there m ight be interferen ce between stations , the o[...]

11 CB OPERA T ION TIPS Like m ost a ctivities, CB radio use has its cust oms and c ourtesies. The fol- lo w ing t ips w ill he lp you get the m os t enjoyme nt from your CB. COMMON USES FOR A CB RADIO Business Uses • T ruck drivers and delivery pe r- sonn el can learn road and traff ic cond itions and ge t assistance in l oca ting d es tin a ti o[...]

11 CB OPERA T ION TIPS Like m ost a ctivities, CB radio use has its cust oms and c ourtesies. The fol- lo w ing t ips w ill he lp you get the m os t enjoyme nt from your CB. COMMON USES FOR A CB RADIO Business Uses • T ruck drivers and delivery pe r- sonn el can learn road and traff ic cond itions and ge t assistance in l oca ting d es tin a ti o[...]

12 CB COURTESY • Wait for a pause in someon e else’s transmission b efore you ask for a break. • If you do not receive an answer to your call after a second attempt, sign off and wait sev- eral mi nutes before trying aga in. • Do n ot hold down the PUSH TO TA L K button when you are not talking. (This is c a lled dead key - ing.) • Assist[...]

12 CB COURTESY • Wait for a pause in someon e else’s transmission b efore you ask for a break. • If you do not receive an answer to your call after a second attempt, sign off and wait sev- eral mi nutes before trying aga in. • Do n ot hold down the PUSH TO TA L K button when you are not talking. (This is c a lled dead key - ing.) • Assist[...]

13 USIN G CO MMON 1 0- CODES Citizen’s band op erators ha ve largely adopte d the 10-codes f or standard ques tions and an swers. Their use permits faster communication and be tter i ntel ligi bilit y i n n ois y a rea s. This tab le lists the codes adop ted by the As sociated P ublic Safety Com- munic ations Officers (AP C O). Note : Although th[...]

13 USIN G CO MMON 1 0- CODES Citizen’s band op erators ha ve largely adopte d the 10-codes f or standard ques tions and an swers. Their use permits faster communication and be tter i ntel ligi bilit y i n n ois y a rea s. This tab le lists the codes adop ted by the As sociated P ublic Safety Com- munic ations Officers (AP C O). Note : Although th[...]

14 TRO U BLES HOOTING If your CB is not w orking as it sho uld, follow t he s uggestions b elow to see if you can e liminate the problem. If you cannot, take t he CB to your local Rad io Shack store for as sistance. Symptom R emedy CHANNEL UP /DOWN butto ns do no t work . •I f CH 9 i s se t to IN , s e t it to OUT , t hen use t he CHANNEL UP/ DOW[...]

14 TRO U BLES HOOTING If your CB is not w orking as it sho uld, follow t he s uggestions b elow to see if you can e liminate the problem. If you cannot, take t he CB to your local Rad io Shack store for as sistance. Symptom R emedy CHANNEL UP /DOWN butto ns do no t work . •I f CH 9 i s se t to IN , s e t it to OUT , t hen use t he CHANNEL UP/ DOW[...]

15 REDUC ING NOISE Because y our CB is exceptionally quiet , any noise you hea r is probably from an ex ternal source in your v ehi- cle — the ignition, an other radio, spark plugs, and so forth. You ca n determi ne the s ource o f the noise by turning off the engine and operating th e CB with the igni ti on set to ACC. If m ost or all of the noi[...]

15 REDUC ING NOISE Because y our CB is exceptionally quiet , any noise you hea r is probably from an ex ternal source in your v ehi- cle — the ignition, an other radio, spark plugs, and so forth. You ca n determi ne the s ource o f the noise by turning off the engine and operating th e CB with the igni ti on set to ACC. If m ost or all of the noi[...]

16 MAINTENANCE Your TRC-494 is an exam ple of superio r d esign and craftsmanshi p. T he follow- ing suggestions will help y ou care for y our TRC-494 so you can enjoy it for years. Keep the TR C-494 dry. If it gets wet, wipe it dry immediately. Liq- uids might co ntain minerals that can corrode the electron ic cir- cuits . Handle the TRC-494 gent [...]

16 MAINTENANCE Your TRC-494 is an exam ple of superio r d esign and craftsmanshi p. T he follow- ing suggestions will help y ou care for y our TRC-494 so you can enjoy it for years. Keep the TR C-494 dry. If it gets wet, wipe it dry immediately. Liq- uids might co ntain minerals that can corrode the electron ic cir- cuits . Handle the TRC-494 gent [...]

17 REPLACING THE POWER CORD’ S FUSE The TR C-494’s 2-amp f use helps protect y our C B from p ower surges and sh ort circuits . If the fuse is blow n, replace it with a 2-am p, 250-volt, fast-acting fuse (Cat. No. 2 70-1052). Follow these ste ps to replace the fuse. 1. Unplug the power c ord from the vehicle’s cigare t t e li g hter and be su[...]

17 REPLACING THE POWER CORD’ S FUSE The TR C-494’s 2-amp f use helps protect y our C B from p ower surges and sh ort circuits . If the fuse is blow n, replace it with a 2-am p, 250-volt, fast-acting fuse (Cat. No. 2 70-1052). Follow these ste ps to replace the fuse. 1. Unplug the power c ord from the vehicle’s cigare t t e li g hter and be su[...]

18 SPECI FICA T IONS RECEIVER Frequency Coverage .................. . .................. . .........(CB) 26.965 to 27.405 MHz (Weatheradio) 162.400, 162.475, 162. 550 MHz Sensi tivi ty (M aximu m ) ... ..... ..... .... ..... ..... .. ..... ..... .... ..... ..... .. ..... ..... .... ..... .. 0.25 uV Adjacent Channel Selectivity .. ................. [...]

18 SPECI FICA T IONS RECEIVER Frequency Coverage .................. . .................. . .........(CB) 26.965 to 27.405 MHz (Weatheradio) 162.400, 162.475, 162. 550 MHz Sensi tivi ty (M aximu m ) ... ..... ..... .... ..... ..... .. ..... ..... .... ..... ..... .. ..... ..... .... ..... .. 0.25 uV Adjacent Channel Selectivity .. ................. [...]

19 NOTES 21- 15 89 .f m P ag e 19 Th ur s day , A ugu st 5, 19 99 1 0 :10 A M[...]

19 NOTES 21- 15 89 .f m P ag e 19 Th ur s day , A ugu st 5, 19 99 1 0 :10 A M[...]

RADIO S HACK A Divisi o n of T andy Corpor ation Fort Worth, T exa s 76102 5A5 Printed i n H ong Kong RADIO SHACK LIMITED W ARRANTY This pro duct is warra nted a g ainst defe cts for 9 0 days from date of pur- chase fr om Radio Sha ck company- owned sto res and au thorized R adi o Shack f ranchi sees and dealers. Withi n this period, we will r epai[...]

RADIO S HACK A Divisi o n of T andy Corpor ation Fort Worth, T exa s 76102 5A5 Printed i n H ong Kong RADIO SHACK LIMITED W ARRANTY This pro duct is warra nted a g ainst defe cts for 9 0 days from date of pur- chase fr om Radio Sha ck company- owned sto res and au thorized R adi o Shack f ranchi sees and dealers. Withi n this period, we will r epai[...]