Instruction/ maintenance manual of the product TRC-446 Radio Shack
Go to page of 24
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.
An important point after buying a device Radio Shack TRC-446 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Radio Shack TRC-446 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Radio Shack TRC-446 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Radio Shack TRC-446 you will learn all the available features of the product, as well as information on its operation. The information that you get Radio Shack TRC-446 will certainly help you make a decision on the purchase.
If you already are a holder of Radio Shack TRC-446, 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 Radio Shack TRC-446.
However, one of the most important roles played by the user manual is to help in solving problems with Radio Shack TRC-446. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Radio Shack TRC-446 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
