Radio Shack TRC-504 Manuale del Proprietario

Cat. No. 21-1704OWNER’S MANUALPlease read before using this equipment.TRC-50440-Channel Mobile CB Radiowith On-Mic Channel Selector21-1704.fm Page 1

10Caution: To prevent damage to the CB,be sure you connect an antenna and themicrophone before you use the CB.Follow these steps to install the CB as

11OPERATIONBefore you use your CB, you shouldknow how to use it effectively and cour-teously. “Operational Hints” on Page 14contains information that

129. To turn off the CB, turn VOLUMEcounterclockwise until you hear itclick. The display and indicators turnoff.TRANSMITTINGNote: We recommend you try

13Follow these steps to use the PA ampli-fier.1. Turn on the transceiver. Then setPA/MON/CB to PA. PA appears onthe display.2. To transmit, press PUSH

14OPERATIONAL HINTSLike most activities, CB radio has itscustoms and courtesies. The followingtips will help you get the most enjoymentfrom your CB.CO

15USING COMMON 10-CODESCitizen’s band operators and CB radiousers have largely adopted the 10-codes for standard questions and an-swers. These codes p

16MAXIMUM RANGEThe maximum range and quality of CBradio transmissions vary depending onthe following conditions:• The type and quality of antennaused

17TROUBLESHOOTINGIf 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

18PA does not work. Connect a PA speaker. Secure connections.Be sure PA/MON/CB is set o PA.Adjust VOLUME.Sound is distorted. Adjust RF GAIN.Adjust VOL

19REDUCING NOISEBecause your CB is exceptionally quiet,any noise you hear is probably from anexternal source in your vehicle such asthe alternator, an

2FEATURES© 1998 Tandy Corporation.All Rights Reserved.RadioShack and Powerhorn are registered trademarks used by Tandy Corporation.Your RadioShack TRC

20CARE AND MAINTENANCEYour RadioShack TRC-504 40-Channel Mobile CB Radio is an example of superiordesign and craftsmanship. The following suggestions

21REPLACING THE FUSEThe TRC-504’s 2-amp in-line fuse helpsprotect your CB from power surges andshort circuits. When replacement is re-quired, use a 2-

22SPECIFICATIONSRECEIVERFrequency Coverage ... All 40 CB Channels (Class D) 26.965–27.405 MHzSensitivity for 10dB S/N ...

23GENERALPower Requirements ... 12 Volts DC, Negative GroundDimensions (HWD) ...

RadioShackA Division of Tandy CorporationFort Worth, Texas 76102811081360A8A8N 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,mount it securely to avoid damageto the CB or vehicle or injury to any-one in the vehicle during suddensta

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 VEHICLE BATTERY POWERFollow these steps to connect the trans-ceiver to vehicle battery power.1. Connect the red wire (with the in-line fuse hol