21-1574.fm Page 3 Thursday, May 13, 1999 4:03 PM

Noise Blanking — reduces the noise occasionally generated by nearby elec- trical motors or automotive ignition sys- tems.

CB/WX/PA Switch — lets you quickly select among normal CB operation, weather mode, or public address mode.

RX/TX Indicator — shows whether the CB is transmitting or receiving.

S/RF/SWR/CAL Switch — lets you quickly change the display of the RF/ Signal Meter to show radio input/output signal strength, the standing wave ratio of the antenna, or SWR calibration data.

Universal Mounting Bracket — lets you mount your CB securely in your ve- hicle.

Note: To use this CB, you need a mo- bile or base station antenna (not sup- plied). Your local RadioShack store has a wide variety of antennas. For more in- formation, see “Installing an Antenna” on Page 7.

We recommend you record your CB's serial number here. The number is on the CB's back panel.

Serial Number__________________

FCC INFORMATION

The Federal Communications Commis- sion (FCC) does not require you to have a license to operate this CB. However, the FCC does require that you read and know Part 95 of FCC Rules. These rules apply to the operation of a Class D CB. We have provided a copy of these regu- lations with your CB.

Warning: Do not open your CB to make any internal adjustments. Any internal adjustments can be made only by an au- thorized service technician.

Unauthorized internal adjustments and/ or modifications can lead to illegal oper- ation as defined by Part 95 of FCC Rules. Such illegal operation can lead to very serious consequences. To be safe and sure:

•Never open your CB's case.

•Never modify your CB.

Your CB might cause TV or radio inter- ference even when it is operating prop- erly. To determine whether your CB is causing the interference, turn off your CB. If the interference goes away, your CB is causing it. Try to eliminate the in- terference by either moving your CB away from the receiver or contacting your local RadioShack store for help. If you cannot eliminate the interference, the FCC requires that you stop using your CB.

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Radio Shack TRC-446 owner manual FCC Information
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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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