Radio Shack 21-1620, TRC-235 owner manual Testing the Battery Power

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21-1620.fm Page 10

Thursday, August 5, 1999 11:16 AM

Testing the Battery Power

1.Turn on the TRC-235 by rotating OFF/VOLUME clockwise until it clicks.

2.Hold down BATT TEST. If the indica- tor lights, there is enough battery power to operate the CB. If the indi- cator is dim or does not light, replace or recharge the batteries.

Recharging Nickel-Cadmium Batteries

You can use a battery charger, such as Cat. No. 23-249 (not supplied), to charge or recharge nickel-cadmium batteries while they are inside the TRC-235’s bat- tery compartment.

Do not use the TRC-235 while you are charging the nickel-cadmium batteries.

Cautions:

•Use only the recommended battery charger to recharge the batteries in the TRC-235. Other chargers could damage your TRC-235 or the batter- ies.

•Be careful not to overcharge nickel- cadmium batteries.

•To prevent damage to rechargeable nickel-cadmium batteries, never charge them in an area where the temperature is above 90°F (32°C) or below 40°F (4.5°C).

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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.
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