Related Manuals for Radio Shack TRC-445
Summary of Contents for Radio Shack TRC-445
- Page 1 21-1573.fm Page 1 Thursday, August 5, 1999 9:22 AM Cat. No. 21-1573 OWNER’S MANUAL Please read before using this equipment. TRC-445 Deluxe 40-Channel Mobile CB Radio with Weather Alert...
- Page 2 21-1573.fm Page 2 Thursday, August 5, 1999 9:22 AM FEATURES Your RadioShack TRC-445 Deluxe 40- Channel Mobile CB Radio with Weather Alert is a high performance CB that also lets you tune to local and national weather service broadcasts. This CB is perfect for recreational, business, or emergency use.
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Page 3: Fcc Information
21-1573.fm Page 3 Thursday, August 5, 1999 9:22 AM WX/Alert Indicator — shows the CB is ready to receive a weather alert signal. RX/TX Indicator — shows whether the CB is transmitting or receiving. S/RF/SWR/CAL Switch — lets you quickly select the display for the RF/sig- nal meter (radio input/output signal pow- er strength, standing wave ratio of the antenna, or SWR calibration). -
Page 4: Table Of Contents
21-1573.fm Page 4 Thursday, August 5, 1999 9:22 AM CONTENTS Installation ... 5 Mounting the Microphone Holder ... 5 Mounting the TRC-445 ... 5 Connecting the Microphone ... 6 Installing an Antenna ... 6 Selecting an Antenna ... 6 Connecting an Antenna ... 7 Using Vehicle Battery Power ... -
Page 5: Installation
• All wires and cables can reach their connection points. Cautions: • If you use the TRC-445 in a vehicle, mount it securely to avoid damage to the CB or vehicle or injury to any- one in the vehicle during sudden starts or stops. -
Page 6: Connecting The Microphone
21-1573.fm Page 6 Thursday, August 5, 1999 9:22 AM 4. Attach the CB to the mounting bracket using the rubber washers and mounting knobs. Illustration Mounting Knobs (2) Rubber Washers (2) CONNECTING THE MICROPHONE 1. Align the slot on top of the micro- phone’s plug with the ridge inside jack. -
Page 7: Connecting An Antenna
21-1573.fm Page 7 Thursday, August 5, 1999 9:22 AM Connecting an Antenna Once you choose an antenna, follow the mounting instructions supplied with the antenna. Route the antenna cable to the CB, then screw the cable into the jack on the back of the CB. TENNA Illustration Cautions:... -
Page 8: Using The Cb As Abase Station
21-1573.fm Page 8 Thursday, August 5, 1999 9:22 AM USING THE CB AS A BASE STATION Although this CB is designed for mobile use, you can also use it as a base sta- tion. For base-station installation, you need the following items. •... -
Page 9: Connecting Optional External Speakers
21-1573.fm Page 9 Thursday, August 5, 1999 9:22 AM CONNECTING OPTIONAL EXTERNAL SPEAKERS You can connect your CB to an external speaker public-address speaker. Note: When you connect an external or PA speaker, the CB’s internal speaker automatically disconnects. External CB Speaker To connect an external CB speaker, use an 8-ohm speaker capable of handling 3–10 watts of power (such as Cat. -
Page 10: Adjusting The Standing Wave Ratio
21-1573.fm Page 10 Thursday, August 5, 1999 9:22 AM ADJUSTING THE STANDING WAVE RATIO Most antennas are factory tuned. How- ever, you can usually improve radio per- formance tuning your system to the CB’s RF output power us- ing the SWR meter on this radio. Once you have installed the antenna ac- cording to its instructions, follow these steps to adjust the standing wave ratio... -
Page 11: Standing Wave Ratio Chart
21-1573.fm Page 11 Thursday, August 5, 1999 9:22 AM STANDING WAVE RATIO CHART The ideal standing wave ratio (SWR) reading is a 1:1 ratio, or a meter reading of 1 on the SWR meter’s top scale (which you can usually get only in laboratory test condi- tions). -
Page 12: Operation
21-1573.fm Page 12 Thursday, August 5, 1999 9:22 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 get more enjoyment from using your CB. Caution: Do not attempt to use your CB without first connecting an antenna. -
Page 13: Transmitting
Illustration 8. If you hear low-level popping-type noises, set NB/OFF the noise blanking circuit. Illustration 9. To turn off the TRC-445, turn counterclockwise until you VOLUME hear it click. CH-9 TRANSMITTING CH-9 Note: We recommend you try receiving transmissions before you transmit. -
Page 14: Listening To Weather Broadcasts
TX/RX green. The TRC-445 can now receive transmissions. 4. To turn off the TRC-445, turn counterclockwise until you VOLUME hear it click. LISTENING TO WEATHER BROADCASTS The TRC-445 is preprogrammed to re-... -
Page 15: Weather Alert
Weather Alert In the event of severe weather condi- tions, the National Weather Service broadcasts a special signal tone (1050 Hz) that the TRC-445 sounds if it is turned on. When the radio receives this signal tone, the WX/ALERT glows red in the CB or PA mode and or- ange in the WX mode. -
Page 16: Cb Operation Tips
21-1573.fm Page 16 Thursday, August 5, 1999 9:22 AM CB OPERATION TIPS Like most activities, CB radio has its customs 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 17: Using Common 10-Codes
21-1573.fm Page 17 Thursday, August 5, 1999 9:22 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. This table lists codes adopted by the Associated Public-Safety Communications Of- ficers (APCO). -
Page 18: Maximum Range
21-1573.fm Page 18 Thursday, August 5, 1999 9:22 AM MAXIMUM RANGE The maximum range and quality of CB transmissions vary depending on these conditions: • The type and quality of antenna used • The height of the antenna’s mount- ing location — the higher the antenna, the better the signal’s range •... -
Page 19: Troubleshooting
21-1573.fm Page 19 Thursday, August 5, 1999 9:22 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 RadioShack store for assistance. -
Page 20: Care And Maintenance
Your RadioShack TRC-445 Deluxe 40-Channel Mobile CB Radio with Weather Alert is an example of superior design and craftsmanship. The following suggestions will help you care for your TRC-445 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. -
Page 21: Replacing The Fuses
21-1573.fm Page 21 Thursday, August 5, 1999 9:22 AM REPLACING THE FUSES The TRC-445’s 2-amp fuses help pro- tect your CB from power surges and short circuits. • If the red wire’s fuse is blown, replace it with a 2-amp, fast-acting glass fuse, such as Cat. -
Page 22: Specifications
21-1573.fm Page 22 Thursday, August 5, 1999 9:22 AM SPECIFICATIONS GENERAL Channels ... 40 Channels Frequency Range ... 26.965 MHz to 27.405 MHz Power Requirements ... 13.8 V DC (12–16 Volts DC, Negative Ground) Dimensions ... 7 Weight ... 3.1 lbs (1.4 kg) RECEIVER Sensitivity ... - Page 23 21-1573.fm Page 23 Thursday, August 5, 1999 9:22 AM PUBLIC ADDRESS Output Power ... 4.2 Watts (Maximum) Current Drain (at maximum power) ... 1.2 Amps WEATHER RADIO Frequency Coverage ... 162.400 MHz Specifications are typical; individual units might vary. Specifications are subject to change and improvement without notice.
- Page 24 21-1573.fm Page 24 Thursday, August 5, 1999 9:22 AM 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.