Radio Shack TRC-446 owner manual Connecting Microphone, Antenna

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21-1574.fm Page 6 Thursday, May 13, 1999 4:03 PM

4.Using a Phillips screwdriver, attach the mounting bracket to the mount- ing surface with the supplied large mounting screw and star lock wash- ers.

5.Attach the CB to the mounting bracket using the supplied rubber washers and mounting knobs.

CONNECTING THE

MICROPHONE

1.Align the slot on the top of the microphone plug with the ridge

inside the MIC jack, then fully insert the plug into the jack.

2.Secure the plug by turning the plug's locking nut clockwise.

3.Slide the microphone onto the microphone holder.

To disconnect the microphone, unscrew the locking nut and gently pull out the microphone plug.

Caution: Always grasp the connector body when you are disconnecting the microphone. Never pull on the micro- phone cable.

 

SP

 

EXT

PA

SP

 

 

-

 

POWERDC

 

.8V

+

13

ANTENNA

ANTENNA

+

R

CAT NO.: 21-1574 TRC-446 FCC ID: AAO21-1574

CUSTOM MANUFACTURED IN THAILAND FOR RADIOSHACK,

A DIVISION OF TANDY CORPORATION

FORT WORTH, TEXAS 76102

 

SERIAL NO.:

0000001

 

 

 

 

 

 

 

 

 

 

 

 

POWER 13.8V DC

EXT SP

13.8 DC Power Supply

-

Base Station Power Setup

6

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Contents TRC-446 Features FCC Information Contents Installation Mounting the Microphone HolderMounting the TRC-446 Connecting Microphone AntennaConnecting an Antenna Installing AN AntennaUsing Vehicle Battery Power Selecting an AntennaUsing the CB AS a Base Station Connecting Optional External SpeakersExternal CB Speaker Set S/RF/SWR/CAL to CAL Adjusting the Standing Wave RatioPublic Address Speaker Set S/RF/SWR/CAL to SWRStanding Wave Ratio Guidelines Standing Wave Ratio PerformanceRatio Rating Evaluation Quick Look AT the Controls NoaaOperation Turning on the CB and Receiving TransmissionsListening to Weather Broadcasts Changing Channels Using the Controls on the MicrophoneTransmitting Frequency Channel MHzUsing the Public Address Function Weather AlertBusiness Uses CB Operation TipsTypical Uses For a CB Radio Personal UsesUsing Common 10-CODES Code MeaningMaximum Range Reducing NoiseTroubleshooting Symptom Check ThatCH9/NOR/CH-19 is set to NOR Care and Maintenance Replacing the Fuses Specifications GeneralPublic Address Fm Page 23 Thursday, May 13, 1999 403 PM Limited Ninety-Day Warranty Vised of the Possibility of Such Damages

TRC-446 specifications

The Radio Shack TRC-446 is a classic handheld CB (Citizens Band) radio, well-regarded in the realm of two-way communication devices. Released in the 1980s, it has become a sought-after collector's item due to its impressive features, build quality, and ease of use.

One of the defining characteristics of the TRC-446 is its compact and portable design. Weighing less than many of its contemporaries, it fits comfortably in the hand and is lightweight enough for prolonged use. This makes it an excellent choice for outdoor enthusiasts, truck drivers, and hobbyists alike. Its robust construction ensures that it can withstand the rigors of daily use.

In terms of technology, the TRC-446 operates on the standard 40 channels designated for CB radios in the United States, allowing users to communicate over short distances. It incorporates AM modulation, which was the primary mode of communication for CB radios, ensuring compatibility with a wide range of other devices. The operating range can reach several miles, depending on the terrain, making it ideal for both urban and rural communication.

The user interface is designed for simplicity, featuring a clear display with channel indicators, an easy-to-access volume control, and a squelch knob to eliminate background noise. The push-to-talk button is conveniently placed, providing seamless access during conversations. Additionally, the TRC-446 comes equipped with a built-in microphone, making voice transmission effortless.

Another noteworthy feature is the external antenna jack, which allows for improved communication range. Users can connect various antennas, enhancing their ability to send and receive signals in challenging environments.

The TRC-446 also supports compatibility with additional accessories, such as handsets and speakers, allowing for a more customizable communication experience. The battery life is decent for a handheld device, with options for both rechargeable and disposable batteries, making it versatile for different use cases.

In conclusion, the Radio Shack TRC-446 represents a significant piece of communication technology from the late 20th century. With its reliable performance, user-friendly design, and compatibility with a range of accessories, it remains a cherished model among CB radio enthusiasts. Whether for nostalgia or practical use, the TRC-446 stands out as a testament to the enduring appeal of two-way radio communication.
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