43-1110.fm Page 15 Wednesday, August 18, 1999 8:22 AM

SETTING THE DIALING MODE

Set T/P (Tone/Pulse) on the back of the base for the type of service you have. If you are not sure which type you have, once the battery is fully charged, do this test.

1. Set T/P to T.

2.Lift the handset, then press TALK and listen for the dial tone.

3.Press any number other than 0.

Note: If your phone system requires that you dial an access code (9, for example) before you dial an outside number, do not press the access code either.

If the dial tone stops, you have touch-tone service. Leave T/P set to

T.

If the dial tone continues, you have pulse service. Set T/P to P.

SELECTING THE

LANGUAGE

The ET-1110 comes set to display all Caller ID messages in English, but if you want it to display messages in French or Spanish, follow these steps.

1.Press SETUP on the handset. Lan- guage and the currently selected language appear.

Note: If you do not press any key within 15 seconds after the lan- guage selection display appears, the ET-1110 exits the language se- lection display without changing the current selection.

2.To select another language, repeat- edly press / or /# until you see the desired language.

3.Press SETUP to store the selected language.

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Radio Shack ET-1110 owner manual Setting the Dialing Mode, Selecting Language

ET-1110 specifications

The Radio Shack ET-1110, a remarkable handheld electronic device from the 1980s, is a notable example of early consumer technology that focused on portability and user-friendliness. Originally released as a combination of a pocket-sized calculator and a basic programming tool, the ET-1110 appealed to a wide range of users, from students to professionals.

One of the main features of the ET-1110 is its sleek, compact design. This device was designed to be lightweight and portable, making it easy to carry around in a bag or even in a pocket. The ergonomic layout included a comfortable keypad that allowed users to input data quickly and efficiently. Its liquid crystal display (LCD) made it easy to read under various lighting conditions, a significant advantage at the time.

The ET-1110 was equipped with various functions that catered to both simple arithmetic operations and more advanced mathematical calculations. It featured functions like addition, subtraction, multiplication, and division, alongside square roots and exponentiation, making it a versatile tool for academic and professional use. Additionally, this device supported a limited amount of programming capabilities, allowing users to store and execute simple sequences of commands – an early introduction to what would become a mainstay in personal computing.

In terms of technology, the ET-1110 used CMOS (Complementary Metal-Oxide-Semiconductor) technology, which contributed to its energy efficiency and long battery life. The device typically operated on a small number of batteries, enabling extended use without frequent replacements. This practicality made it an appealing choice for users who needed reliable performance on the go.

Another notable characteristic of the ET-1110 was its affordability, a hallmark of Radio Shack's strategy to make technology accessible to a broader audience. This pricing approach, combined with the device's functionality, made the ET-1110 a popular choice among budget-conscious consumers looking for reliable electronic tools.

The Radio Shack ET-1110 stands out not only as a product of its time but also as a precursor to the sophisticated portable computing devices that would emerge in the following decades. Its blend of practicality, technology, and ergonomic design reflects an era on the brink of massive advancements in personal electronics, marking a significant step in the evolution of handheld devices.