Radio Shack TRC-504 Manuel du propriétaire

Cat. No. 21-1703OWNER’S MANUALPlease read before using this equipment.40 Channel Mobile CB Radiowith Channel 9/19 Priority SwitchTRC-50321-1703.fm Pa

10OPERATIONBefore you use your CB, you shouldknow how to use it effectively and cour-teously. “Operational Hints” on Page 12contains information that

11TRANSMITTINGNote: We recommend you try receivingbefore you transmit.1. Follow Steps 1–5 in “ReceivingTransmissions and AdjustingSquelch.”2. To trans

12OPERATIONAL HINTSLike most activities, CB radio has itscustoms and courtesies. The followingtips will help you get the most enjoymentfrom your CB.CO

13USING COMMON 10-CODESCitizen’s band operators and CB radiousers have largely adopted the 10-codes for standard questions and an-swers. These codes p

14MAXIMUM RANGEThe maximum range and quality of CBradio transmissions vary depending onthe following conditions:• the type and quality of antenna used

15TROUBLESHOOTINGIf your CB is not working as it should, follow these suggestions to see if you can elim-inate the problem. If you cannot, take the CB

16REDUCING NOISEBecause your CB is exceptionally quiet,any noise you hear is probably from anexternal source in your vehicle such asthe alternator, an

17CARE AND MAINTENANCEYour RadioShack TRC-503 40 Channel Mobile CB Radio with Channel 9/19 PrioritySwitch is an example of superior design and craftsm

18REPLACING THE FUSEThe TRC-503’s 2-amp in-line fuse helpsprotect your CB from power surges andshort circuits. When replacement is re-quired, use a 2-

19SPECIFICATIONSRECEIVERFrequency Coverage ... All 40 CB Channels (Class D) 26.965–27.405 MHzSensitivity for 10dB S/N ...

2FEATURES© 1998 Tandy Corporation.All Rights Reserved.RadioShack is a registered trademark used by Tandy Corporation.Your RadioShack TRC-503 40 Channe

RadioShackA Division of Tandy CorporationFort Worth, Texas 76102811081340A8A8N Printed in ChinaLimited Ninety-Day WarrantyThis product is warranted by

3FCC INFORMATIONThe Federal Communications Commis-sion (FCC) does not require you to havea license to operate this CB radio. How-ever, you must know P

4CONTENTS Installation ... 5Attaching the

5INSTALLATIONATTACHING THE MICROPHONE HOLDERYou can attach the microphone holder toeither side of the transceiver or to anoth-er location in your vehi

6Cautions:• If you use the CB in a vehicle, mountit securely to avoid damage to theCB or vehicle or injury to anyone inthe vehicle during sudden start

7When you choose an antenna, keep inmind that, for the best performance, youshould mount the antenna:• as high as possible on the vehicle• as far as p

8CONNECTING AN EXTERNAL SPEAKERYou can connect your transceiver to anexternal CB speaker, so you can hearan incoming call when you are outsideyour veh

9USING THE TRANSCEIVER AS A BASE STATIONAlthough this transceiver is designedmainly for mobile use, you can also useit as a base station with an AC po