Related Manuals for Radio Shack 21-1620
Summary of Contents for Radio Shack 21-1620
- Page 1 21-1620.fm Page 1 Thursday, August 5, 1999 11:16 AM OWNER’S MANUAL Cat. No. 21-1620 TRC-235 2 Watt 3-Channel CB Walkie-Talkie Please read before using this equipment.
- Page 2 21-1620.fm Page 2 Thursday, August 5, 1999 11:16 AM FEATURES Your RadioShack TRC-235 2 Watt 3- Channel CB Walkie-Talkie is a portable, two-way radio you can carry almost any- where. You can use your TRC-235 around the house, in your office, or in your car or boat.
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Page 3: Fcc Information
21-1620.fm Page 3 Thursday, August 5, 1999 11:16 AM Power/Charging Jack — lets you power your TRC-235 from an AC or DC power source, so you can use the TRC-235 with- out draining the batteries. And, lets you charge nickel-cadmium batteries without removing them from the TRC-235. - Page 4 21-1620.fm Page 4 Thursday, August 5, 1999 11:16 AM Your TRC-235 might cause TV or radio interference even when it is operating properly. To determine whether your TRC-235 is causing the interference, turn off your TRC-235. If the interference goes away, your TRC-235 is causing it.
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Page 5: Table Of Contents
21-1620.fm Page 5 Thursday, August 5, 1999 11:16 AM CONTENTS Powering the CB ... 6 Using the POWER Jack and ALKALINE/NI-CD Switch... 6 Using Batteries ... 7 Testing the Battery Power ... 10 Recharging Nickel-Cadmium Batteries ... 10 Using Vehicle Battery Power ... 12 Using AC Power ... -
Page 6: Powering The Cb
21-1620.fm Page 6 Thursday, August 5, 1999 11:16 AM POWERING THE CB You can power your TRC-235 from any of these sources: • Eight AA alkaline batteries (not sup- plied) with two dummy batteries (supplied) • Ten rechargeable AA nickel- cadmium batteries (not supplied) •... -
Page 7: Using Batteries
21-1620.fm Page 7 Thursday, August 5, 1999 11:16 AM • Set it to before you con- ALKALINE nect an external power source (vehi- cle battery power or AC adapter) to jack or while you are us- POWER ing internal batteries (alkaline or re- chargeable). - Page 8 21-1620.fm Page 8 Thursday, August 5, 1999 11:16 AM Cautions: • Always use fresh, or freshly charged, batteries of the required size and type. • Do not mix old and new batteries, different types of batteries (stan- dard, alkaline, rechargeable nickel-cadmium), or rechargeable batteries of different capacities.
- Page 9 21-1620.fm Page 9 Thursday, August 5, 1999 11:16 AM 4. Be sure inside the – ALKALINE/NI battery compartment is set to LINE 5. Put eight AA alkaline batteries and the two supplied dummy batteries, or ten AA nickel-cadmium batteries into...
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Page 10: Testing The Battery Power
21-1620.fm Page 10 Thursday, August 5, 1999 11:16 AM Testing the Battery Power 1. Turn on the TRC-235 by rotating clockwise until it clicks. OFF/VOLUME 2. Hold down . If the indica- BATT TEST tor lights, there is enough battery power to operate the CB. - Page 11 21-1620.fm Page 11 Thursday, August 5, 1999 11:16 AM Follow these steps to charge nickel- cadmium batteries in the TRC-235. 1. If the TRC-235 is on, turn OFF/VOLUME fully counterclockwise until it clicks to turn it off. 2. Set inside the bat- –...
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Page 12: Using Vehicle Battery Power
21-1620.fm Page 12 Thursday, August 5, 1999 11:16 AM 4. When charging is complete, unplug the battery charger’s plug from the AC outlet. Then, disconnect the bat- tery charger’s barrel plug from the jack. POWER Note: You can use an external charger (such as Cat. -
Page 13: Using Ac Power
21-1620.fm Page 13 Thursday, August 5, 1999 11:16 AM • When you finish using the TRC-235, unplug the fused cord from the ciga- rette-lighter socket before you dis- connect it from your TRC-235. 1. If the TRC-235 is on, turn... - Page 14 21-1620.fm Page 14 Thursday, August 5, 1999 11:16 AM • To help prevent an electrical short, unplug the adapter from the AC out- let before you unplug the adapter from the TRC-235. Follow these steps to connect the TRC- 235 to AC power.
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Page 15: External Antenna
21-1620.fm Page 15 Thursday, August 5, 1999 11:16 AM EXTERNAL ANTENNA Your walkie-talkie comes with a telescop- ing antenna that is ideal for most applica- tions. However, the walkie-talkie’s jack makes it easy to connect ANTENNA other types of antennas, too. For mobile or base station use, you might want to connect an optional external antenna. - Page 16 21-1620.fm Page 16 Thursday, August 5, 1999 11:16 AM • For the best performance when you use an external antenna, do not extend the TRC-235’s telescoping antenna. Follow the installation instructions sup- plied with the antenna, route the antenna cable to the TRC-235, then connect it to jack.
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Page 17: Operation
21-1620.fm Page 17 Thursday, August 5, 1999 11:16 AM OPERATION Before you use your TRC-235, we recom- mend you read “CB Operation Tips” on Page 20, which contains information to help you use it effectively and courteously. RECEIVING TRANSMISSIONS AND ADJUSTING SQUELCH 1. - Page 18 21-1620.fm Page 18 Thursday, August 5, 1999 11:16 AM 3. Turn on the TRC-235 by turning clockwise until you hear a VOLUME click and a hissing sound. Note: You might not hear a hissing sound if is set to CHANNEL and you haven’t installed any crys-...
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Page 19: Transmitting
21-1620.fm Page 19 Thursday, August 5, 1999 11:16 AM TRANSMITTING 1. Follow Steps 1–5 in “Receiving Transmissions Adjusting Squelch” on Page 17. 2. Hold the TRC-235 2 to 3 inches from your mouth. Hold down PUSH TO on the side of the TRC-235... -
Page 20: Cb Operation Tips
21-1620.fm Page 20 Thursday, August 5, 1999 11:16 AM CB OPERATION TIPS The following tips will help you get the most enjoyment from your TRC-235. COMMON USES FOR A CB RADIO Business Uses • Truck drivers and delivery personnel can learn road and traffic conditions and get assistance in locating desti- nations. -
Page 21: Using Common 10-Codes
21-1620.fm Page 21 Thursday, August 5, 1999 11:16 AM • Camping, fishing, and other sports are more fun with a walkie-talkie. Locate a friend or find out “what’s cooking” back at camp. USING COMMON 10-CODES Citizen’s band operators have largely adopted the 10-codes for standard ques- tions and answers. - Page 22 21-1620.fm Page 22 Thursday, August 5, 1999 11:16 AM Code Meaning 10-15 Message delivered. 10-16 Reply to message. 10-17 En route. 10-18 Urgent. 10-19 Contact __________. 10-20 My location is __________. 10-21 Call ________ by telephone. 10-22 Cancel last message.
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Page 23: Cb Courtesy
21-1620.fm Page 23 Thursday, August 5, 1999 11:16 AM 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. -
Page 24: Adding Crystals
21-1620.fm Page 24 Thursday, August 5, 1999 11:16 AM ADDING CRYSTALS Your TRC-235 includes two crystals (transmit and receive) installed in channel position A. The crystals let you use the CB on channel 14. You can add two more crystals in channel positions B and C so you can use any two other channels of the 40 allotted to CBs. - Page 25 21-1620.fm Page 25 Thursday, August 5, 1999 11:16 AM Channel Transmit Receive 27.155 26.700 27.165 26.710 27.175 26.720 27.185 26.730 27.205 26.750 27.215 26.760 27.225 26.770 27.255 26.800 27.235 26.780 27.245 26.790 27.265 26.810 27.275 26.820 27.285 26.830 27.295 26.840 27.305...
- Page 26 21-1620.fm Page 26 Thursday, August 5, 1999 11:16 AM 3. Set , slide your thumb CHANNEL under the right edge of CHANNEL then carefully pull CHANNEL remove it. 4. Use a Phillips screwdriver to remove the back cover’s three screws.
- Page 27 21-1620.fm Page 27 Thursday, August 5, 1999 11:16 AM 6. Insert a new matched pair of crystals (send and receive) into the sockets for Channel B or C. The sockets for the crystals are marked next to Channel A on the cir- cuit board with X1 (receive) and X2 (transmit).
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Page 28: Troubleshooting
21-1620.fm Page 28 Thursday, August 5, 1999 11:16 AM TROUBLESHOOTING If your TRC-235 is not working as it should, follow these suggestions to see if you can eliminate the problem. If you can- not, take it to your local RadioShack store for assistance. -
Page 29: Maintenance
21-1620.fm Page 29 Thursday, August 5, 1999 11:16 AM MAINTENANCE Your RadioShack TRC-235 2 Watt 3- Channel CB Walkie-Talkie is an example of superior design and craftsmanship. The following suggestions will help you care for your TRC-235 so you can enjoy it for years. -
Page 30: Specifications
21-1620.fm Page 30 Thursday, August 5, 1999 11:16 AM SPECIFICATIONS Receiver Frequency Coverage ... 26.965 – 27.405 MHz Supplied with Channel 14 receive (26.670 MHz) and transmit (27.125 MHz) crystals in the Channel A position Sensitivity (Maximum) ... 0.6 V Adjacent Channel Rejection ... - Page 31 21-1620.fm Page 31 Thursday, August 5, 1999 11:16 AM NOTES...
- Page 32 21-1620.fm Page 32 Thursday, August 5, 1999 11:16 AM Limited Ninety-Day Warranty This product is warranted by RadioShack against manu- facturing defects in material and workmanship under nor- mal use for ninety (90) days from the date of purchase from RadioShack company-owned stores and authorized RadioShack franchisees and dealers.