Page 2 - FEATURES
2 FEATURES Your RadioShack TRC-445 Deluxe 40-Channel Mobile CB Radio with WeatherAlert is a high performance CB that alsolets you tune to local and nationalweather service broadcasts. This CB isperfect for recreational, business, oremergency use. You can call other peo-ple who have CBs at home, in t...
Page 3 - FCC INFORMATION; FCC Rules
3 WX/Alert Indicator — shows the CB isready to receive a weather alert signal. RX/TX Indicator — shows whether theCB is transmitting or receiving. S/RF/SWR/CAL Switch — lets youquickly select the display for the RF/sig-nal meter (radio input/output signal pow-er strength, standing wave ratio of thea...
Page 4 - CONTENTS
4 CONTENTS Installation ............................................................................................................... 5 Mounting the Microphone Holder ....................................................................... 5Mounting the TRC-445 ........................................
Page 5 - INSTALLATION
5 INSTALLATION MOUNTING THE MICROPHONE HOLDER Using a Phillips screwdriver and thesupplied screws and washers, attachthe supplied microphone holder to theCB’s left or right side either horizontallyor vertically. MOUNTING THE TRC-445 The most common mounting location forthis CB is under a vehicle’s d...
Page 6 - Selecting an Antenna
6 4. Attach the CB to the mounting bracket using the rubber washersand mounting knobs. CONNECTING THE MICROPHONE 1. Align the slot on top of the micro- phone’s plug with the ridge insidethe MIC jack. Then fully insert the plug into the jack. 2. Turn the plug’s locking nut clockwise to tighten it. 3....
Page 7 - Connecting an Antenna
7 Connecting an Antenna Once you choose an antenna, follow themounting instructions supplied with theantenna. Route the antenna cable to theCB, then screw the cable into the AN- TENNA jack on the back of the CB. Cautions: • Do not run the cable over sharp edges or moving parts that mightdamage it. •...
Page 9 - External CB Speaker; Public Address Speaker
9 CONNECTING OPTIONAL EXTERNAL SPEAKERS You can connect your CB to an externalCB speaker and a public-addressspeaker. Note: When you connect an external orPA speaker, the CB’s internal speakerautomatically disconnects. External CB Speaker To connect an external CB speaker, usean 8-ohm speaker capabl...
Page 10 - ADJUSTING THE STANDING WAVE RATIO; CAL
10 ADJUSTING THE STANDING WAVE RATIO Most antennas are factory tuned. How-ever, you can usually improve radio per-formance by tuning your antennasystem 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 thesestep...
Page 11 - STANDING WAVE RATIO CHART; Standing Wave Ratio Chart
11 STANDING WAVE RATIO CHART The ideal standing wave ratio (SWR) reading is a 1:1 ratio, or a meter reading of 1 onthe SWR meter’s top scale (which you can usually get only in laboratory test condi-tions). A 1.5:1 to 2:1 SWR ratio is excellent for most mobile CB antenna applications.This chart expla...
Page 12 - OPERATION
12 OPERATION Before you start using your CB, youshould know how to use it effectivelyand courteously. “CB Operation Tips”contains information that will help youget more enjoyment from using your CB. Caution: Do not attempt to use your CBwithout first connecting an antenna. TURNING ON THE CBAND RECEI...
Page 13 - TRANSMITTING
13 6. To manually tune channels, turn the tuning control at the right end of thecontrol panel to select a channel.The channel number appears on thedisplay, and the SWR/RF/signalmeter shows the signal strength. Notes: • If you turn the tuning control slightly to the left or right, theTRC-445 rapidly ...
Page 15 - Weather Alert
15 Weather Alert In the event of severe weather condi-tions, the National Weather Servicebroadcasts a special signal tone (1050Hz) that the TRC-445 sounds if it isturned on. When the radio receives thissignal tone, the WX/ALERT indicator glows red in the CB or PA mode and or-ange in the WX mode. If ...
Page 16 - CB OPERATION TIPS; Business Uses; CB COURTESY
16 CB OPERATION TIPS Like most activities, CB radio has itscustoms and courtesies. The followingtips will help you get the most enjoymentout of your CB. COMMON USES FOR A CB RADIO Business Uses • Truck drivers and delivery personnel can learn road and traffic conditionsand get assistance in locating...
Page 17 - USING COMMON 10-CODES
17 USING COMMON 10-CODES Citizen’s band operators have largely adopted the 10-codes for standard questionsand answers. These codes permit faster communication and better intelligibility innoisy areas. This table lists codes adopted by the Associated Public-Safety Communications Of-ficers (APCO). Cod...
Page 19 - TROUBLESHOOTING
19 TROUBLESHOOTING If your CB is not working as it should, follow the suggestions below to see if you caneliminate the problem. If you cannot, take the CB to your local RadioShack store forassistance. Symptom: Check That: Trouble with reception • The CB is turned on. • CB/WX/PA is set to CB . • OFF/...
Page 20 - CARE AND MAINTENANCE
20 CARE AND MAINTENANCE Your RadioShack TRC-445 Deluxe 40-Channel Mobile CB Radio with Weather Alertis an example of superior design and craftsmanship. The following suggestions willhelp 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...
Page 21 - REPLACING THE FUSES
21 REPLACING THE FUSES The TRC-445’s 2-amp fuses help pro-tect your CB from power surges andshort circuits. • If the red wire’s fuse is blown, replace it with a 2-amp, fast-actingglass fuse, such as Cat. No. 270-1007. • If the orange wire’s fuse is blown, replace it with a 1-amp, fast-actingglass fu...
Page 22 - SPECIFICATIONS; GENERAL; RECEIVER; TRANSMITTER
22 SPECIFICATIONS GENERAL Channels ................................................................................................. 40 Channels Frequency Range ........................................................... 26.965 MHz to 27.405 MHz Power Requirements ........................ 13.8 V DC ...
