21-1586.fm Page 10 Thursday, August 5, 1999 9:50 AM

OPERATION

Before you use your CB radio, you should know how to use it effectively and courteously. “CB Operation Tips” on Page 12 contains information that will help you get more enjoyment from your CB radio.

TURNING ON THE CB AND RECEIVING TRANSMISSIONS

1.Turn SQUELCH fully counterclock- wise.

2.To turn on the CB, turn VOLUME clockwise until it clicks and you hear a hissing sound. The CB dis- plays the last selected channel.

3.To tune to a specific channel, ro- tate CHANNEL clockwise or coun- terclockwise until the display shows the desired channel.

To rapidly move up or down the channels, turn CHANNEL only slightly to the left or right.

4.Slowly turn SQUELCH clockwise until the hissing sound stops.

Note: If the CB picks up unwanted, partial, or very weak transmissions, turn SQUELCH clockwise to decrease the CB’s sensitivity to these signals. Turn SQUELCH counterclockwise if you want to listen to a weak or distant station.

5.Adjust VOLUME to a comfortable listening level.

6.To turn off the CB, turn VOLUME counterclockwise until it clicks.

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Radio Shack TRC-442 owner manual Operation, Turning on the CB and Receiving Transmissions
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TRC-442 specifications

The Radio Shack TRC-442 is a classic CB (Citizens Band) radio widely recognized for its impressive features and user-friendly design. Launched in the 1980s, the TRC-442 became a popular choice among enthusiasts and casual users alike, thanks to its reliability and performance.

One of the standout features of the TRC-442 is its compact and portable design, making it a perfect fit for both mobile use in vehicles and as a base station at home. The radio operates on the standard 40 CB channels, offering users a range of communication options. With a power output of approximately 4 watts, it provides a solid transmission range, enabling users to communicate with other CB operators over considerable distances.

The radio includes a built-in microphone for hands-free operation and a large, easy-to-read display that shows channel numbers and signal strength. This thoughtful design ensures that users can quickly identify their settings at a glance, enhancing usability. The TRC-442 also features an external speaker jack, allowing users to connect an external speaker for improved audio clarity, particularly beneficial in noisy environments.

The TRC-442 is equipped with essential technical features, including automatic noise limiter (ANL) and squelch controls. The ANL helps minimize background noise, providing clearer audio during transmission and reception. The adjustable squelch control allows users to eliminate unwanted static or noise, ensuring a more enjoyable listening experience.

Another key characteristic of the TRC-442 is its versatility with various transmission modes. It supports AM (Amplitude Modulation) and SSB (Single Sideband) transmission, allowing users to choose the mode that best suits their needs. While AM is the standard for most CB communications, SSB offers increased range and efficiency, making it ideal for long-distance communication.

The TRC-442 also boasts a rugged construction, designed to endure the rigors of both outdoor and vehicular use. Its robust casing protects the internal components, ensuring durability over the years.

In summary, the Radio Shack TRC-442 stands out as a reliable and versatile CB radio. Its compact design, user-friendly features, and exceptional audio quality make it a favorite among CB radio enthusiasts even today. Whether for casual conversations or emergency communications, the TRC-442 remains a noteworthy model in the world of Citizens Band radio.
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