21-1599.fm Page 1 Thursday, August 5, 1999 10:59 AM Cat. No. 21-1599 OWNER’S MANUAL Please read before using this equipment.
1-1599.fm Page 2 Thursday, August 5, 1999 10:59 AM INTRODUCTION Your Radio Shack TRC-499 40Channel 2-Way CB Radio is a high performance CB with the maximum allowable legal power and innovative styling. This CB is perfect for recreational, business, or emergency use. You can call other people who have CBs at home, in their vehicles, or at camp sites.
21-1599.fm Page 3 Thursday, August 5, 1999 10:59 AM FCC INFORMATION The Federal Communications Commission (FCC) does not require you to have a license to operate this CB. However, the FCC does require you to read and know Part 95 of FCC Rules. These rules apply to the operation of a Class D CB. We have provided a copy of these regulations with your CB. Warning: Do not open your CB to make any internal adjustments. Any internal adjustments can be made only by authorized service personnel.
21-1599.fm Page 4 Thursday, August 5, 1999 10:59 AM CONTENTS Installation ....................................................................................................... 5 Mounting the Microphone Holder ............................................................... 5 Connecting the Microphone........................................................................ 5 Mounting the TRC-499 ................................................................................ 5 Installing an Antenna ........
21-1599.fm Page 5 Thursday, August 5, 1999 10:59 AM INSTALLATION MOUNTING THE MICROPHONE HOLDER Using a Phillips screwdriver and the supplied small screws and small metal washers, attach the supplied microphone holder horizontally or vertically to either side of the CB. Caution: Never pull on the microphone cable. MOUNTING THE TRC-499 The most common mounting location for this CB is under a vehicle’s dashboard.
21-1599.fm Page 6 Thursday, August 5, 1999 10:59 AM • If you use the TRC-499 in a vehicle, mount it securely to avoid damage to the CB or vehicle during sudden starts or stops. 4. Attach the CB to the mounting bracket using the rubber washers and mounting knobs. Follow these steps to mount the CB using the supplied hardware. 1. Using the mounting bracket as a template, mark the positions for the screw holes. INSTALLING AN ANTENNA 2.
21-1599.fm Page 7 Thursday, August 5, 1999 10:59 AM Connecting an Antenna Once you choose an antenna, follow the mounting instructions supplied with it. Then route the antenna cable to the CB and connect the cable to the ANTENNA jack on the back of the CB. 1. Connect the CB’s black wire to your vehicle battery’s negative (–) terminal or to a metal part of the vehicle’s frame that is not insulated from the frame by a plastic part. 2.
21-1599.fm Page 8 Thursday, August 5, 1999 10:59 AM • Base station antenna (such as Cat. No. 21-967) • Coaxial antenna cable and connectors 4. Connect the CB’s red wire, with in-line fuse, to the DC power supply’s positive (+) terminal. Note: Your local Radio Shack store carries power supplies, antennas, coaxial antenna cable, and connectors. Follow these steps to install the CB as a base station. 1. Mount the base station antenna as described in its owner’s manual.
21-1599.fm Page 9 Thursday, August 5, 1999 10:59 AM OPERATION Before you start using your CB, you should know how to use it effectively and courteously. “CB Operation Tips” contains information that will help you use and enjoy your CB. RECEIVING TRANSMISSIONS AND ADJUSTING SQUELCH Caution: Do not attempt to use your CB without first connecting an antenna to it. Note: If the CB picks up unwanted, partial, or very weak transmissions, turn SQUELCH clockwise to decrease the CB’s sensitivity to these signals.
21-1599.fm Page 10 Thursday, August 5, 1999 10:59 AM 1. Follow Steps 1-5 under “Receiving Transmissions and Adjusting Squelch.” Common Uses for a CB Radio 2. Hold the microphone 2 or 3 inches from your mouth. Then press and hold down the microphone talk button and speak into the microphone in a normal voice. The TX indicator turns on. Business Uses • Truck drivers and delivery personnel can learn road and traffic conditions and get assistance in locating destinations.
21-1599.fm Page 11 Thursday, August 5, 1999 10:59 AM assurance it is to be able to radio for assistance! • Camping, fishing, and other sports are more fun with a CB. Locate a buddy or find out “what’s cooking” back at camp. CB Courtesy • Wait for a pause in someone else’s transmission before you ask for a break. • If you do not receive an answer to your call after a second attempt, sign off and wait several minutes before trying again.
21-1599.fm Page 12 Thursday, August 5, 1999 10:59 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. Code Meaning 10-14 Information. 10-15 Message delivered. 10-16 Reply to message. 10-17 En route. 10-18 Urgent. 10-19 Contact ____________. 10-20 What is your location? 10-21 Call ___________ by telephone. Cannot understand your message.
21-1599.fm Page 13 Thursday, August 5, 1999 10:59 AM TROUBLESHOOTING If your CB is not working as it should, follow the suggestions below to see if you can eliminate the problem. If you cannot, take the CB to your local Radio Shack store for assistance. Symptom Trouble with reception Check That: • The CB is turned on. • VOLUME is turned up. • SQUELCH is adjusted properly. • The microphone is securely connected to the CB. • The antenna cable is securely connected to both the antenna and the CB.
21-1599.fm Page 14 Thursday, August 5, 1999 10:59 AM REDUCING NOISE The Automatic Noise Limiting (ANL) circuit helps keep background noise to a minimum. However, strong sources of electrical noise (such as your vehicle’s ignition, another radio, or spark plugs) might be more than the circuit can compensate for. If you operate the TRC-499 with a vehicle’s engine off, you should not have any problems with noise.
21-1599.fm Page 15 Thursday, August 5, 1999 10:59 AM MAINTENANCE Your TRC-499 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. Keep the CB dry. If it gets wet, wipe it dry immediately. Liquids might contain minerals that can corrode the electronic circuits. Handle the CB gently and carefully. Dropping it can damage circuit boards and cases and can cause the CB to work improperly.
21-1599.fm Page 16 Thursday, August 5, 1999 10:59 AM REPLACING THE FUSE The TRC-499’s 2-amp fuse helps protect your CB from power surges and short circuits. If the fuse is blown, replace it with a 2-amp, fast-acting glass fuse (Cat. No. 270-1007). Follow these steps to replace the fuse. 1. Make sure the power source and CB are both turned off. 2. To open the fuse holder, push the fuse holder ends together, then turn either end counterclockwise and release it. 3. If the fuse is blown, replace it.
21-1599.fm Page 17 Thursday, August 5, 1999 10:59 AM SPECIFICATIONS RECEIVER Frequency Coverage............................................ All 40 CB Channels (Class D) 26.965 to 27.405 MHz Sensitivity ..................................................... 0.7 µV or better for 10 dB (S+N)/N Adjacent Channel Rejection ........................................................................55 dB Audio Output .........................................................................
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21-1599.fm Page 20 Thursday, August 5, 1999 10:59 AM RADIO SHACK LIMITED WARRANTY This product is warranted against defects for 90 days from date of purchase from Radio Shack company-owned stores and authorized Radio Shack franchisees and dealers. Within this period, we will repair it without 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.
