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OPERATION

MAKING A CALL

To make a call, lift the handset. Or, if the handset is away from the base, press TALK. On the base, the IN USE indicator lights, and on the handset, the BATT LOW indicator and a LINE indicator (1 or 2, whichever line was di- aled the last time) light.

You can also press LINE 1 or LINE 2 to directly select the line you want to use.

ANSWERING A CALL

To answer a call, simply lift the hand- set. If the handset is away from the base, press TALK to answer the flash- ing line. The TALK/BATT LOW indica- tor, the LINE 1 or LINE 2 indicator on the handset, and the IN USE indicator on the base light.

To help you tell which line is ringing, each line has a distinctive ring tone. To end a call, place the handset on the base or press the handset’s TALK button.

Notes:

•If you press TALK to hang up and the phone does not disconnect, place the handset on the base or press TALK again while holding the handset closer to the base.

•When you receive an incoming call on one line while you are talk- ing on the other, the handset does not ring but you hear the phone

sound a tone through the ear- piece. Place the current call on hold (see “Putting a Call on Hold” on Page 16), then press the line button for the new incoming call.

•If you press the other line’s button without first pressing HOLD, the first call is disconnected.

CHANGING THE

CHANNEL

If you notice interference, static, or noise during a call, you can press CH (channel) to find a clearer channel.

The ET-596 changes to a different channel each time you press CH.

Note: If the handset is too far away from the base, the channel might not change. Move closer to the base and try again.

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Radio Shack ET-596 owner manual Operation, Making a Call, Answering a Call, Changing Channel
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ET-596 specifications

The Radio Shack ET-596 is a distinguished electronic device that gained recognition in the realm of personal gadgets during the 1980s. As a programmable calculator, the ET-596 combined extensive functionality with user-friendly design, catering to engineers, students, and hobbyists alike.

One of the standout features of the ET-596 is its robust computing power. Equipped with an advanced microprocessor for its time, this calculator is able to perform a wide range of mathematical operations, from simple arithmetic to complex trigonometric functions. The device boasts a generous number of built-in functions, enabling users to execute calculations in various fields, including finance, engineering, and science, thereby making it a versatile tool for anyone who relies on numerical analysis.

The ET-596 is designed with a large, easy-to-read LCD display, which presents numbers and calculations with clarity. This aspect enhances usability, reducing eyestrain during prolonged use and facilitating quick reference in both educational and professional environments.

Another defining characteristic of the ET-596 is its programmability. Users can create and store custom programs, allowing for repetitive calculations and complex problem solving to be executed effortlessly. This feature not only elevates productivity but also positions the device as an indispensable asset for engineers and researchers performing regular computational tasks.

The Radio Shack ET-596 also includes several memory functions, which allow users to store values temporarily, further enhancing its functionality. This memory capability is particularly useful in multi-step calculations, where retaining previous results is crucial for final outcomes.

In terms of design, the ET-596 features a sleek, compact form factor, making it easily portable. Its robust construction ensures durability and longevity, which is a hallmark of Radio Shack products. The device is powered by standard batteries, ensuring that it remains operational without the frequent need for charging.

In conclusion, the Radio Shack ET-596 remains a significant technological artifact from the 1980s, representing a blend of sophistication and practicality in personal computing. With features like programmability, multifunctionality, and efficient memory use, it set a benchmark for future portable calculators. Even today, enthusiasts and collectors alike recognize its enduring legacy in the evolution of personal electronic devices.
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