Related Manuals for Radio Shack TRC-503
Summary of Contents for Radio Shack TRC-503
- Page 1 21-1703a.fm Page 1 Thursday, August 5, 1999 4:41 PM Cat. No. 21-1703 OWNER’S MANUAL Please read before using this equipment. TRC-503 40 Channel Mobile CB Radio with Channel 9/19 Priority Switch...
- Page 2 21-1703a.fm Page 2 Thursday, August 5, 1999 4:41 PM FEATURES Your RadioShack TRC-503 40 Channel Automatic Modulation Control — pre- Mobile CB Radio is a breakthrough in vents the transmitter signal from over- CB design technology. You can mount it modulating and distorting.
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Page 3: Fcc Information
21-1703a.fm Page 3 Thursday, August 5, 1999 4:41 PM FCC INFORMATION This device complies with Part 15 of FCC Rules . Operation is subject to the following two conditions: (1) this device The Federal Communications Commis- may not cause harmful interference, and sion (FCC) does not require you to have (2) this device must accept any interfer- a license to operate this CB radio. -
Page 4: Table Of Contents
21-1703a.fm Page 4 Thursday, August 5, 1999 4:41 PM CONTENTS Installation ....................... 5 Attaching the Microphone Holder ............... 5 Mounting the Transceiver ..................5 Connecting an Antenna ..................6 Connecting the Microphone ................7 Connecting an External Speaker ................ 8 Using Vehicle Battery Power ................ -
Page 5: Installation
21-1703a.fm Page 5 Thursday, August 5, 1999 4:41 PM INSTALLATION ATTACHING THE MICROPHONE HOLDER You can attach the microphone holder to either side of the transceiver or to anoth- er location in your vehicle. To attach the holder to either side of the transceiver, secure the holder to the side using the supplied screws, wash- ers, and lock washers. -
Page 6: Connecting An Antenna
21-1703a.fm Page 6 Thursday, August 5, 1999 4:41 PM Cautions: • If you use the CB in a vehicle, mount it securely to avoid damage to the CB or vehicle or injury to anyone in the vehicle during sudden starts or stops. -
Page 7: Connecting The Microphone
21-1703a.fm Page 7 Thursday, August 5, 1999 4:41 PM When you choose an antenna, keep in Follow the instructions supplied with the mind that, for the best performance, you SWR meter and antenna to adjust your should mount the antenna: antenna’s SWR to the lowest possible value. -
Page 8: Connecting An External Speaker
21-1703a.fm Page 8 Thursday, August 5, 1999 4:41 PM CONNECTING AN USING VEHICLE BATTERY EXTERNAL SPEAKER POWER You can connect your transceiver to an Follow these steps to connect the trans- external CB speaker, so you can hear ceiver to vehicle battery power. an incoming call when you are outside your vehicle. -
Page 9: Using The Transceiver As A Base Station
21-1703a.fm Page 9 Thursday, August 5, 1999 4:41 PM USING THE TRANSCEIVER Follow these steps to install the CB as a base station. AS A BASE STATION Although this transceiver is designed mainly for mobile use, you can also use it as a base station with an AC power source. -
Page 10: Operation
21-1703a.fm Page 10 Thursday, August 5, 1999 4:41 PM OPERATION Before you use your CB, you should 3. Set to select OUT CH9 CH19 know how to use it effectively and cour- a channel other than an emergency teously. “Operational Hints” on Page 12 channel. -
Page 11: Transmitting
21-1703a.fm Page 11 Thursday, August 5, 1999 4:41 PM TRANSMITTING SELECTING THE EMERGENCY CHANNEL Note: We recommend you try receiving before you transmit. Important: Channel 9 and Channel 19 are reserved for motorist assistance and 1. Follow Steps 1–5 in “Receiving Trans- for reporting emergency information missions and Adjusting Squelch”... -
Page 12: Operational Hints
21-1703a.fm Page 12 Thursday, August 5, 1999 4:41 PM OPERATIONAL HINTS Like most activities, CB radio has its • Truck drivers and delivery personnel customs and courtesies. The following can learn road and traffic conditions tips will help you get the most enjoyment and get assistance in locating desti- from your CB. -
Page 13: Using Common 10-Codes
21-1703a.fm Page 13 Thursday, August 5, 1999 4:41 PM USING COMMON Code Meaning 10-CODES 10-16 Reply to message. Citizen’s band operators and CB radio 10-17 En route. users have largely adopted the 10- 10-18 Urgent. codes for standard questions and an- swers. -
Page 14: Maximum Range
21-1703a.fm Page 14 Thursday, August 5, 1999 4:41 PM MAXIMUM RANGE The maximum range and quality of CB radio transmissions vary depending on the following conditions: • the type and quality of antenna used • the height of the antenna’s mounting location —... -
Page 15: Troubleshooting
21-1703a.fm Page 15 Thursday, August 5, 1999 4:41 PM TROUBLESHOOTING If 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 to your local RadioShack store for as- sistance. -
Page 16: Reducing Noise
21-1703a.fm Page 16 Thursday, August 5, 1999 4:41 PM REDUCING NOISE • If problems persist, check your vehi- cle’s alternator/generator and regu- lator gauges. You can reduce the Because your CB is exceptionally quiet, noise from these sources by using any noise you hear is probably from an bypass capacitors at the various external source in your vehicle such as... -
Page 17: Care And Maintenance
21-1703a.fm Page 17 Thursday, August 5, 1999 4:41 PM CARE AND MAINTENANCE Your RadioShack TRC-503 40 Channel Mobile CB Radio is an example of superior design and craftsmanship. The following suggestions will help you care for your CB so you can enjoy it for years. -
Page 18: Replacing The Fuse
21-1703a.fm Page 18 Thursday, August 5, 1999 4:41 PM REPLACING THE FUSE The TRC-503’s 2-amp in-line fuse helps protect your CB from power surges and short circuits. When replacement is re- quired, use a 2-amp, slow-blow glass fuse, available at your local RadioShack store. -
Page 19: Specifications
21-1703a.fm Page 19 Thursday, August 5, 1999 4:41 PM SPECIFICATIONS RECEIVER Frequency Coverage ....All 40 CB Channels (Class D) 26.965–27.405 MHz Sensitivity for 10dB S/N ..................0.6 V Squelch Sensitivity at Tight ..............350–2820 V Overall Audio Fidelity for 450–2500 Hz .............. –6 dB Maximum Audio Output Power ............... - Page 20 21-1703a.fm Page 20 Thursday, August 5, 1999 4:41 PM Limited Ninety-Day Warranty This product is warranted by RadioShack against manufacturing defects in material and workman- ship under normal use for ninety (90) days from the date of purchase from RadioShack company- owned stores and authorized RadioShack franchisees and dealers.