Radio Shack 21-1620, TRC-235 owner manual Thursday, August 5, 1999 1116 AM

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21-1620.fm Page 16

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For the best performance when you use an external antenna, do not extend the TRC-235’s telescoping antenna.

Follow the installation instructions sup- plied with the antenna, route the antenna cable to the TRC-235, then connect it to the EXT ANTENNA jack.

Cautions:

Do not run the cable over sharp edges or moving parts.

Do not run the cable next to power cables or other CB antenna cables.

Do not run the cable through a vehi- cle’s engine compartment or other areas that produce extreme heat.

Follow all cautions and warnings included with the antenna.

Warning: When installing or removing a base station CB antenna, use extreme caution. If the antenna starts to fall, let it go! It could contact overhead power lines. If the antenna touches the power line, contact with the antenna, mast, cable or guy wires can cause electrocution and death! Call the power company to remove the antenna. DO NOT attempt to do so yourself.

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Contents TRC-235 Features Battery Test Button and Battery IndicaFCC Information Fm Page 4 Thursday, August 5, 1999 1116 AM Contents Powering the CB Using the Power Jack and ALKALINE/NI-CD SwitchUsing Batteries Fm Page 8 Thursday, August 5, 1999 1116 AM Fm Page 9 Thursday, August 5, 1999 1116 AM Testing the Battery Power Thursday, August 5, 1999 1116 AM Using Vehicle Battery Power Power jackUsing AC Power Thursday, August 5, 1999 1116 AM External Antenna Thursday, August 5, 1999 1116 AM Receiving Transmissions Adjusting Squelch OperationThursday, August 5, 1999 1116 AM When you finish speaking, release the button TransmittingCB Operation Tips Common Uses for a CB RadioUsing Common 10-CODES Code MeaningCode Meaning CB Courtesy Maximum RangeAdding Crystals Channel Transmit ReceiveChannel Transmit Receive Thursday, August 5, 1999 1116 AM Channel C Channel B Channel a Troubleshooting Symptom SuggestionMaintenance Specifications ReceiverThursday, August 5, 1999 1116 AM RadioShack Division of Tandy Corporation Fort Worth, Texas

TRC-235, 21-1620 specifications

The Radio Shack 21-1620, commonly referred to as the TRC-235, is a notable entry in the world of CB radios. Designed to cater to both novice and experienced users, this particular model embodies a blend of functionality, reliability, and user-friendly features.

One of the standout characteristics of the TRC-235 is its compact and portable design, making it an ideal choice for both mobile and stationary applications. The unit is compact enough to fit into tight spaces while still offering a robust set of features that enhance communication capabilities. With a durable construction, it is designed to withstand the rigors of transportation, whether in a vehicle or on a work site.

In terms of performance, the TRC-235 operates on the standard 40 CB channels, providing users with ample options for communication. This capability is essential for those who require clear and constant communication, especially in areas where other forms of communication may fail. Additionally, the radio features an adjustable RF gain control, which allows users to filter out unwanted noise and focus on the transmission quality. This adjustment enables clearer conversations, which is crucial in high-traffic areas.

The Radio Shack 21-1620 also comes equipped with several essential features designed to enhance usability. A built-in built-in speaker ensures clear audio output, while the external mic jack allows for the attachment of an external microphone, improving sound clarity further. The unit’s easy-to-read LED display displays channel and frequency information, helping users navigate through channels effortlessly.

Furthermore, the TRC-235 integrates advanced technology, such as automatic noise limiter circuitry, which significantly reduces background noise for clearer communication. The radio also supports a range of modulation types, including AM, which is standard in CB radios.

For those who appreciate versatility, the TRC-235 allows for seamless integration with other communication equipment, such as antennas and amplifiers, enhancing its performance and range.

In summary, the Radio Shack 21-1620 TRC-235 is a well-rounded CB radio that balances user-friendly features, durable construction, and advanced communication technology. It remains a reliable choice for those seeking effective communication solutions in various environments. Whether for recreational use or professional applications, the TRC-235 stands out as a trusted companion in the CB radio spectrum.