42-4035.fm Page 2 Thursday, August 12, 1999 8:05 AM

FEATURES

Your Optimus Concertmate 690 Porta- ble Electronic Keyboard is a state-of- the-art musical instrument with many special features. It can sound like 100 different musical instruments or sound effects, and its preset rhythms and ac- companiments make it easy to use and fun! This versatile electronic keyboard is ideal for anyone who wants to make music, from the beginner to the experi- enced musician.

Your Concertmate 690’s features in- clude:

Standard Size Keys — let you easily transfer what you learn using the Con- certmate 690 to other keyboard instru- ments.

Built-In Demonstration Tune — lets you hear a sample of what you and the Concertmate 690 can do.

Polyphonic Sound — lets you play and hear up to eight notes at the same time so you can create or play almost any type of music.

Poly/Texture Key — lets you adjust the Concertmate 690’s polyphony (harmony) and sound texture.

100 Different Sounds — let you set your Concertmate 690 to sound like anything from a banjo to an insect when you press a key.

100 Preset Auto-Rhythms — give you a steady beat for almost any style of music from rock to waltz.

Auto Accompaniment — lets you au- tomatically play a harmonic pattern to match any auto-rhythm.

Tempo Controls — let you speed up or slow down the tempo of any auto- rhythm or auto accompaniment.

Fill-In Rhythm — lets you insert a short variation into any auto-rhythm.

Three Power Options — let you pow- er the Concertmate 690 from internal batteries (not supplied), a standard AC outlet (using an optional adapter), or your vehicle’s cigarette lighter socket (using an optional adapter).

To fully enjoy the features and func- tions of this electronic keyboard, please read this manual carefully and completely.

Note: This manual explains how to use this electronic keyboard. It does not teach music.

© 1997 Tandy Corporation.

All Rights Reserved.

RadioShack, Concertmate, and Optimus are registered trademarks used by Tandy Corporation.

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Radio Shack 690, 42-4035 owner manual Features
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42-4035, 690 specifications

The Radio Shack 690,42-4035 is a remarkable piece of technology that has captured the attention of hobbyists and electronics enthusiasts alike. This device represents a blend of classic design and modern functionality, making it a versatile addition to any toolkit or electronics workspace.

One of the standout features of the 690,42-4035 is its user-friendly interface. The device is designed with a clear display and intuitive controls, allowing users at any skill level to operate it with ease. Whether you are a seasoned electronics technician or a beginner, navigating its various functions is straightforward.

At its core, the 690,42-4035 is equipped with a range of measurement capabilities that are essential for any electronics project. It can handle voltage, current, and resistance measurements with precision. This versatility allows users to perform a variety of tests, making it ideal for troubleshooting and repair tasks. The inclusion of a multi-range feature enhances its usability, as users can easily switch between different measurement ranges without the need for multiple devices.

In terms of connectivity, the 690,42-4035 boasts a range of input options, enabling compatibility with a variety of electronic circuits and components. This flexibility ensures that users can work on both simple and complex projects without being limited by their tools.

Another key characteristic of the 690,42-4035 is its durability. Built with robust materials, it is designed to withstand the wear and tear of regular use, making it a reliable choice for both professionals and hobbyists. Its compact design also means that it can be easily stored or transported, making it an ideal companion for fieldwork or on-the-go troubleshooting.

The Radio Shack 690,42-4035 also includes additional features such as data hold, auto-ranging, and a built-in beeper for alerts. These supplementary functionalities enhance the overall user experience, providing convenience and efficiency during testing procedures.

Overall, the Radio Shack 690,42-4035 stands out in the crowded field of electronic measurement tools. Its combination of user-friendly design, versatile measurement capabilities, and durable construction makes it a valuable asset for anyone looking to delve into the world of electronics, whether for professional purposes or personal projects. As technology continues to evolve, devices like the 690,42-4035 serve as a testament to Radio Shack’s commitment to quality and innovation in the electronics market.
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