Radio Shack TRC-504 Manuel du propriétaire

Cat. No. 21-1573OWNER’S MANUALPlease read before using this equipment.TRC-445Deluxe 40-Channel Mobile CB Radiowith Weather Alert21-1573.fm Page 1 Th

10ADJUSTING THE STANDING WAVE RATIOMost antennas are factory tuned. How-ever, you can usually improve radio per-formance by tuning your antennasystem

11STANDING WAVE RATIO CHARTThe ideal standing wave ratio (SWR) reading is a 1:1 ratio, or a meter reading of 1 onthe SWR meter’s top scale (which you

12OPERATIONBefore you start using your CB, youshould know how to use it effectivelyand courteously. “CB Operation Tips”contains information that will

136. To manually tune channels, turn thetuning control at the right end of thecontrol panel to select a channel.The channel number appears on thedispl

14Note: Do not speak too loudly whentransmitting. It does not make yoursignal any stronger, and might dis-tort your transmission.3. When you finish tr

15Weather Alert In the event of severe weather condi-tions, the National Weather Servicebroadcasts a special signal tone (1050Hz) that the TRC-445 sou

16CB OPERATION TIPSLike most activities, CB radio has itscustoms and courtesies. The followingtips will help you get the most enjoymentout of your CB.

17USING COMMON 10-CODESCitizen’s band operators have largely adopted the 10-codes for standard questionsand answers. These codes permit faster communi

18MAXIMUM RANGEThe maximum range and quality of CBtransmissions vary depending on theseconditions:• The type and quality of antennaused• The height of

19TROUBLESHOOTINGIf your CB is not working as it should, follow the suggestions below to see if you caneliminate the problem. If you cannot, take the

2FEATURESYour RadioShack TRC-445 Deluxe 40-Channel Mobile CB Radio with WeatherAlert is a high performance CB that alsolets you tune to local and nati

20CARE AND MAINTENANCEYour RadioShack TRC-445 Deluxe 40-Channel Mobile CB Radio with Weather Alertis an example of superior design and craftsmanship.

21REPLACING THE FUSESThe TRC-445’s 2-amp fuses help pro-tect your CB from power surges andshort circuits.• If the red wire’s fuse is blown,replace it

22SPECIFICATIONSGENERALChannels ... 40 Channels Frequen

23PUBLIC ADDRESSOutput Power ... 4.2 Watts (Maximum) Current Drain (at maximu

RadioShackA Division of Tandy CorporationFort Worth, Texas 7610211A7 Printed in ThailandLimited Ninety-Day WarrantyThis product is warranted by RadioS

3WX/Alert Indicator — shows the CB isready to receive a weather alert signal.RX/TX Indicator — shows whether theCB is transmitting or receiving. S/RF/

4CONTENTSInstallation ... 5Mounting the M

5INSTALLATIONMOUNTING THE MICROPHONE HOLDERUsing a Phillips screwdriver and thesupplied screws and washers, attachthe supplied microphone holder to th

64. Attach the CB to the mountingbracket using the rubber washersand mounting knobs.CONNECTING THE MICROPHONE1. Align the slot on top of the micro-pho

7Connecting an AntennaOnce you choose an antenna, follow themounting instructions supplied with theantenna. Route the antenna cable to theCB, then scr

8USING THE CB AS A BASE STATIONAlthough this CB is designed for mobileuse, you can also use it as a base sta-tion. For base-station installation, youn

9CONNECTING OPTIONAL EXTERNAL SPEAKERSYou can connect your CB to an externalCB speaker and a public-addressspeaker.Note: When you connect an external