Features

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

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.

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

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.

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