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Summary of Contents for Radio Shack TRC-488
- Page 1 21-1585.fm Page 1 Thursday, August 5, 1999 9:39 AM Cat. No. 21-1585A OWNER’S MANUAL Please read before using this equipment. TRC-488 40-CHANNEL 2-WAY CB RADIO...
- Page 2 © 1996 Tandy Corporation. Radio Shack is a registered trademark used by Tandy Corporation. Two Ceramic Filters — provide supe- rior channel selectivity and eliminate adjacent-channel interference.
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Page 3: Table Of Contents
21-1585.fm Page 3 Thursday, August 5, 1999 9:39 AM CONTENTS Installation ... 4 Mounting the TRC-488 ... 4 Mounting the Microphone Holder ... 5 Connections ... 6 Connecting the Microphone ... 6 Connecting an Optional External Speaker ... 6 Connecting Power ... 7 Using Vehicle Battery Power ... -
Page 4: Installation
21-1585.fm Page 4 Thursday, August 5, 1999 9:39 AM INSTALLATION MOUNTING THE TRC-488 If you use the TRC-488 as a base sta- tion, you can mount it on a desk, shelf, or table. The most common mounting location for the CB is under a vehicle’s dash- board. -
Page 5: Mounting The Microphone Holder
21-1585.fm Page 5 Thursday, August 5, 1999 9:39 AM 4. Attach the CB to the mounting bracket using the supplied rubber washers and mounting knobs. (illus) MOUNTING THE MICROPHONE HOLDER With a Phillips screwdriver and the supplied screws and washers, attach the supplied microphone holder to the CB’s right side. -
Page 6: Connections
CB. Notes: • You must use an 8-ohm speaker capable of handling up to 5 watts of power (such as Radio Shack Cat. No. 21-549). • The speaker’s cable must have a -inch plug. To connect an external speaker, sim- ply plug the speaker’s cable into the... -
Page 7: Connecting Power
21-1585.fm Page 7 Thursday, August 5, 1999 9:39 AM CONNECTING POWER Using Vehicle Battery Power Follow these steps to power the CB from your vehicle’s battery. 1. Make sure the CB is turned off. 2. Disconnect the cable from your vehicle battery’s negative ( minal. -
Page 8: Installing An Antenna
Caution: To prevent damage to your CB, you must connect an antenna to the CB before you operate it. Note: Your local Radio Shack store sells a variety of CB antennas for both mobile and base-station use, and co- axial antenna cable and connectors. -
Page 9: Adjusting The Antenna's Swr
21-1585.fm Page 9 Thursday, August 5, 1999 9:39 AM 2. Route the cable between the antenna and the CB. 3. Connect cable jack on the back of the ANTENNA (illus) Caution: Do not run the cable: • Over sharp edges or moving parts that might damage the cable •... -
Page 10: Operation
21-1585.fm Page 10 Thursday, August 5, 1999 9:39 AM OPERATION SETTING SQUELCH Caution: Do not attempt to use your CB without first connecting it to an an- tenna. 1. Turn clockwise until it VOLUME clicks to turn on the CB, then set it to about halfway between the min- imum and maximum settings. -
Page 11: Receiving Transmissions On The Channels
21-1585.fm Page 11 Thursday, August 5, 1999 9:39 AM Your TRC-488 receives the following frequencies available to NOAA: 162.400 MHz 162.500 MHz 162.425 MHz 162.525 MHz 162.450 MHz 162.550 MHz 162.475 MHz To select one of the seven available weather channels, set the mode selec- tor to . -
Page 12: Transmitting
5. When release the microphone talk but- ton. You can now receive trans- missions. 6. To turn off the TRC-488, turn counterclockwise until you hear it click. finish transmitting, VOL-... -
Page 13: Cb Tips
21-1585.fm Page 13 Thursday, August 5, 1999 9:39 AM CB TIPS Like any other activity, CB radio has its rules and courtesies. The following tips will help you get the most enjoyment out of your CB. COMMON USES FOR A CB RADIO Business Uses •... -
Page 14: Using Common 10-Codes
21-1585.fm Page 14 Thursday, August 5, 1999 9:39 AM USING COMMON 10-CODES Citizen’s band operators have largely adopted the 10-codes for standard questions and answers. These codes permit faster communication and better intelligibility in noisy areas. The following table lists some of the more common codes and their meanings. -
Page 15: Troubleshooting
21-1585.fm Page 15 Thursday, August 5, 1999 9:39 AM TROUBLESHOOTING If your CB is not working as it should, follow the suggestions below to try to eliminate the problem. If the CB is still not working properly, take the CB to your local Radio Shack store for assistance. -
Page 16: Maximum Range
If you operate the TRC-488 with the vehicle’s engine off, you should not have any problems with noise. If you use the CB with the engine on, you can... -
Page 17: Maintenance
21-1585.fm Page 17 Thursday, August 5, 1999 9:39 AM MAINTENANCE Your TRC-488 40-Channel 2-Way 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 Fuses
21-1585.fm Page 18 Thursday, August 5, 1999 9:39 AM REPLACING THE FUSES The TRC-488’s red wire 2-amp in-line fuse helps protect your CB from power surges and short-circuits. If the fuse has blown, replace it with a 2-amp, fast-acting glass fuse (such as Cat. -
Page 19: Specifications
21-1585.fm Page 19 Thursday, August 5, 1999 9:39 AM SPECIFICATIONS RECEIVER Weather Frequency Coverage ...162.400 MHz Frequency Coverage ... All 40 CB Channels (Class D) Sensitivity ...0.7 V or better for 10 dB (S+N)/N Adjacent Channel Rejection ... 50 dB (at 10 kHz) Audio Output... - Page 20 Shack franchisees and dealers. Within this period, we will repair it with- out charge for parts and labor. Simply bring your Radio Shack sales slip as proof of purchase date to any Radio Shack store. Warranty does not cover transportation costs. Nor does it cover a product subjected to misuse or accidental damage.
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