RadioShack TRC-237 - Manual

6 POWERING THE CB You can power your TRC-237 from any ofthese sources (none supplied): • Eight AA alkaline batteries with the two supplied dummy batteries • Te n r e c h a r g e a b l e A A n i c k e l - cadmium batteries • 12-volt vehicle battery power using a fused power cord • Standard AC power u...

7 • Set it to ALKALINE before you con- nect an external power source (vehi-cle battery power or AC adapter) tothe POWER jack or while you are us- ing internal batteries (alkaline or re-chargeable). • Set it to NI - CD only when you con- nect a battery charger to the POWER jack to charge the installe...

10 Testing the Battery Power 1. Turn on the TRC-237 by rotating OFF/VOLUME clockwise until it clicks. 2. Hold down BATT TEST . If the indica- tor lights, there is enough batterypower to operate the CB. If the indi-cator is dim or does not light, replaceor recharge the batteries. Recharging Nickel-Ca...

13 • When you finish using the TRC-237, unplug the fused cord from the ciga-rette-lighter socket before you dis-connect it from your TRC-237. 1. If the TRC-237 is on, turn OFF/VOL- UME fully counterclockwise until it clicks to turn it off. 2. Be sure ALKALINE/NI - CD inside the battery compartment i...

18 OPERATION Before you use your TRC-237, we recom-mend you read “CB Operation Tips” onPage 21, which contains information tohelp you use it effectively and courteously. RECEIVING TRANSMISSIONS AND ADJUSTING SQUELCH 1. If you did not connect an external antenna, hold the TRC-237 so theantenna is ver...

19 To redisplay the channel number forabout 20 seconds, simply press andrelease DISPLAY . 4. If you set OUT – CH9 – CH19 to OUT , repeatedly press CH s to select higher channels, or CH t to select lower channels. To move rapidlythrough the channels, hold down CH s or t. 5. Adjust OFF/VOLUME to a com...

20 Note: Do not turn SQUELCH too far clockwise because you might alsocut out weak signals. 7. To turn off the TRC-237, turn OFF/ VOLUME toward OFF until it clicks. TRANSMITTING 1. Follow Steps 1–6 in “Receiving Transmissions and AdjustingSquelch” on Page 18. 2. Hold the TRC-237 2 to 3 inches from yo...

21 CB OPERATION TIPS The following tips will help you get themost enjoyment from your TRC-237. COMMON USES FOR A CB RADIO Business Uses • Truck drivers and delivery personnel can learn road and traffic conditionsand get assistance in locating desti-nations. A walkie talkie is also goodcompany on tho...

24 CB COURTESY • Wait for a pause in someone else’s transmission before you ask for abreak. • If you do not receive an answer to your call after a second attempt, signoff and wait several minutes beforetrying again. • Do not press and hold PUSH TO TALK when you are not talking. (This is called dead ...

25 TROUBLESHOOTING If your TRC-237 is not working as itshould, follow these suggestions to see ifyou can eliminate the problem. If you can-not, take it to your local RadioShack storefor assistance. Symptom Suggestion Weak, bad, or no recep-tion. Be sure the TRC-237 is turned on. Be sure the volume i...

26 MAINTENANCE Your RadioShack TRC-237 40-Channel5-Watt CB Walkie Talkie with Channel 9/19 Priority Switch is an example of supe-rior design and craftsmanship. The follow-ing suggestions will help you care for yourTRC-237 so you can enjoy it for years. Keep the TRC-237 dry. If itgets wet, wipe it dr...

27 SPECIFICATIONS Receiver Frequency Coverage ... 26.965 – 27.405 MHz Sensitivity (Max.) ..... 0.5 µ V at 10 dB (S+N)/N Adjacent Channel Rejection ................. 45 dB Squelch ............ Adjustable from 1 µ V to 1 mV Audio Output (10% THD) ................. 400 mW Current Drain ...................

RadioShack A Division of Tandy Corporation Fort Worth, Texas 76102 811080960B 4A8 Printed in China 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 purchasefrom Radio...