43-2101.fm Page 17 Wednesday, February 23, 2000 9:12 AM

To make a call, lift the keypad off the base, then press TALK. You hear a dial tone and the STATUS/MESSAGE indicator lights. Dial the number you want to call.

To answer a call, lift the keypad off the base, then press TALK. The STATUS/MESSAGE indicator lights.

Notes:

•When you press a button, a single tone indicates that the phone has accepted the command. Three tones indicate that you pressed a button in error, you are out of range, or there is severe interference. (See “Changing Channels.”)

•If interference is severe, the keypad might lose communi- cation with the base and the call might disconnect. If this happens, return the keypad to the base for about 5 sec- onds to reset the security access-protection code. The key- pad blinks once.

ADJUSTING THE HEADSET’S VOLUME

To adjust the headset’s volume, repeatedly press8or 9during a call until the sound level is comfortable. You can set the headset’s volume to one of four levels, and it remains set even after you hang up.

CHANGING CHANNELS

Every time you press TALK, the phone automatically selects a clear channel from the 40 it uses for communication between the headset and the base. If you hear interference during a call,

Basic Operation

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Radio Shack ET-2101 owner manual Adjusting the HEADSET’S Volume, Changing Channels
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ET-2101 specifications

The Radio Shack ET-2101 is a pioneering model in the world of consumer electronics, embodying the innovative spirit of its time. Launched in the mid-1980s, this electronic device serves as both a calculator and a programmable device, capturing the attention of tech enthusiasts and everyday users alike.

One of the key features of the ET-2101 is its compact design, which makes it incredibly portable. Weighing just a few ounces, it easily fits into a pocket or bag, allowing users to carry it with them wherever they go. The sleek interface, combined with its lightweight structure, signifies a step forward in personal computing technology, making it accessible for everyone from students to professionals.

The ET-2101 is equipped with a calculator function that supports a wide range of mathematical operations, including basic arithmetic as well as more complex functions. This versatility made it an essential tool for both academic and professional environments. The device features a clear and easy-to-read LCD display, which ensures that users can easily view calculations without straining their eyes.

Another remarkable aspect of the ET-2101 is its programmability. Users can write simple programs to perform repetitive tasks or calculations, significantly increasing productivity. This feature opened up new possibilities for utilizing technology to solve practical problems, enabling creative and technical minds to experiment with coding in a user-friendly environment.

The ET-2101 operates on a standard battery, ensuring that it can be used anywhere without the need for an electrical outlet. This independence from power sources not only enhances its portable design but also showcases Radio Shack's commitment to convenience and usability.

In terms of connectivity, the ET-2101 includes a proprietary interface that allows users to connect it with other devices or computers of the era, facilitating data transfer and expanding its functionality. This ability to integrate with other technologies was essential in promoting a more interconnected tech ecosystem.

In conclusion, the Radio Shack ET-2101 is a remarkable product that underscored the evolution of personal technology in the 1980s. With its functional design, robust calculator features, programmability, and connectivity options, it not only met the demands of its time but also shaped the future of portable computing devices. Its legacy continues to inspire innovations in the field of electronics, reminding us of the advancements that have transformed our daily lives.
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