Manuale d’uso / di manutenzione del prodotto TRC-446 del fabbricante Radio Shack
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Cat. No. 21- 1574 O WNER’S MANU AL Please read bef ore us ing th is equip ment. TRC-446 Deluxe 4 Watt 40-Chann el Mobile CB Radio with Weather Alert and ACE 21-1574.
2 FEA TURES Your Radi oShack T RC-446 Delux e 40- Channel Mo bile CB Radio with Weather Alert is a high perform ance C B that also lets you tune to loc al and national weather se rvice broa dcasts. T his CB is perfect for recreati onal, busi ness, o r emergenc y u se.
3 Noise Blanking — re duces the noise occasi onall y generat ed by nearby elec- trical motor s or autom otive ignitio n sys- tems. CB/WX/PA Switch — lets you quickl y sele ct among norm al CB operati on, weather m ode, or pu blic add ress m ode. RX/TX Indicator — shows whether the CB is tr ansmitti ng or re ceivin g.
4 CONTENTS Installation .... .................... ............ ............. .................... ............. ............. ................ 5 Mounting t he TRC-446 ................... ............. ............. ............. ................... ..
5 INSTALLA TION MOUNTING THE MICR OPHON E HOLD ER Using a Philips screwdr iver and th e sup - pli ed scr ew an d was hers, atta ch th e supplie d micro phone hol der to the CB's left or right s ide, eithe r horizo ntally o r vertic ally ( depend ing on how you p lan to use it).
6 4. Using a Philli ps scr ewdriver , attach the m oun ting br ac k et to the m oun t- ing sur f ace w ith the su pplie d large mounting s cre w and star lock wash- ers. 5. Attach the CB to the mou nting brack et using the sup plied r ubber washers and mounti ng kno bs.
7 INSTALLIN G AN ANTENNA Caution : To prevent damage to you r CB, do not attemp t to transmi t without an antenna attach ed. Selecting an Antenna When you d ecide on an antenna and i ts loca tion, cons ider the se po ints: • The ant enna s hould b e pos ition ed as high a s possi ble.
8 USING THE CB AS A BASE STATION Although this CB is designed for mobi le use, you can also use i t as a ba se sta- tion. For ba se-stat ion instal lation, y ou need a regu lated 12 -volt DC powe r sup- ply, such as Cat. No. 22 -504 ava ilable at your lo cal Ra dioSh ack sto re.
9 Pub lic Ad dress Speak er To connec t a PA s peaker t o the CB, us e an 8-ohm speaker c apable o f handl ing 5 or more wat ts of power an d equipp ed with an 1 / 8 -inch connector on the cable. Contact your lo cal Radi oShack sto re for a selecti on of suitable spe akers.
10 STANDING W AVE RATIO GUIDELINES The ide al standi ng wav e ratio (SWR) is 1:1, or a m eter re ading of 1 o n the S WR meter' s top sc ale. This r eading, howev er , can on ly be obt ained u nder lab orator y con- ditions. A SWR ratio of 1 .5:1 to 2:1 i s excellent for most mob ile CB ant enna appli ca- tions.
11 A QUIC K LOOK AT THE CON TR OLS SWR Met e r RF Meter Hand-Held MI C with Channel Up/Do wn Contr ol Vo l u m e / P o wer Switc h Channel 9-NOR- Channel 19 Switch RF Meter/SWR/ Calibrate Switch CB/W .
12 OPERATION Before y ou start us ing your CB, you should know h ow to u se it effec tively and cour teously . “CB O peratio n Tips ” on Page 15 conta ins in formatio n that wil l help you get more enjoyme nt from u sing your C B. T URNING ON THE CB AND RECEIVING T RANSMISSIONS 1.
13 Changing Channels Using the Controls on the Micr ophone To tune to the next higher or lowe r chan - nel, press UP or DO WN on th e micr o- phone. To quic kly chang e channels in e ither di- rection , hold dow n UP or DO WN until you reach th e desir ed channe l.
14 To list en to one of th e seve n availab le weather ch annels , set CB/WX/P A to WX , then rotate WEA THER to choose a c han- nel for your listeni ng area.
15 CB OPERATION TIPS Like mos t activi ties, C B radio user s have cust oms and cou rtesies . The foll owing tips will help you g et the most en joym ent out of you r CB. TYPICAL USES FOR A CB RADIO Business Uses • T ru ck drivers and deliver y per sonn el can lear n roa d and traffic condit ions and get assi stance in loc ating desti- nation s.
16 USING COMMON 10-CODES Citizen's ban d oper ators have l argely adopted the follo win g 10 -cod es for stan - dard ques tions and answers. Thes e codes p ermi t fast er and more precise commu nication in no isy ar eas. Th is ta- ble lis ts codes ado pted by the Ass ociat- ed Public -Safety Communicat ions Officers (APCO ).
17 MAXIM UM RANG E The maxim um range a nd qual ity of CB transmiss ions v ary de pendin g on t he fol- lowing typica l conditi ons: • The type and quali ty of a ntenna used.
18 T RO UBLESHOOTING If your CB is not work ing as it should , follow the suggest ions be low to see if you can elimina te the probl em. If the pro blem persis ts, take the CB to your lo cal RadioSha ck store fo r assi stance . Symptom Chec k That: Receptio n diffi culties OFF/V OLUME is tur ned on.
19 CARE AND MAINTENAN CE Your Ra di oSh ack T RC-446 De lu xe 40 -Chann el M obile CB i s an ex am pl e o f s up e- rior desi gn and craf tsmans hip. The following s uggestio ns will help you ca re for your TRC- 446 so y ou can enjoy i t for yea rs. Keep the CB d ry.
20 REPLACING THE FUSES The TRC-44 6's 2-a mp fu ses help pr o- tect your CB from power surges and short c ircuit s. • If the red wire's fuse is blown , replace it with a 2- amp, f a st-act ing glass f use, such as C at.
21 SPECIFICA TIONS GENERAL Channels ..... ............. ............. ................... ............. ............. ............. ........ 4 0 Channe ls F requency Range .... ............. ............. ................... .......... 26.965 MHz to 27.
22 PUBLIC ADDRESS Output P ower ........ ............. ............ .................... ............. .......... 4 .2 W atts (Max imum) Current Drain (a t maximum power) ............. ............. ............. .................... ... 1.2 Amps WEA THER RADIO F r equency Cov erage (MHz) .
23 NOTES 21-1574.fm Page 23 Thursday, May 13, 1999 4:03 PM.
RadioShac k A Division of T andy Corporation For t W or th, T e xas 76102 05A99 Printed in T hailand 937485 Limited Ninet y-Day W arranty This produ ct is warranted by Radi oShack against man ufacturi.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Radio Shack TRC-446 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Radio Shack TRC-446 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Radio Shack TRC-446 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Radio Shack TRC-446 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Radio Shack TRC-446, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Radio Shack TRC-446.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Radio Shack TRC-446. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Radio Shack TRC-446 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
