ROLAND AT900
Owner's Manual

Selecting and Playing Sounds

Creating Organ Sounds (Vintage Organ)
The Vintage Organ button lets you add three types of vintage organ sounds to the upper, lower, and pedal parts. In addition, you can also use the harmonic bars to modify the selected sound as desired. The ATELIER provides nine harmonic bars for the upper part and lower part respectively, and two harmonic bars for the pedal part. Each harmonic bar is assigned a sound of a different footage (pitch), and by layering these sounds you can create a variety of organ tones.
You can use the Solo part�s harmonic bars to adjust the volume of the Solo part voice.

Harmonic Bar
By sliding the harmonic bars forward or backward (in or out), you can adjust the volume of the various footages. The volume can be adjusted over nine steps (0�8). When a harmonic bar is pulled out all the way (8), the volume is loudest. When it is pushed in all the way (0), there will be no sound. 8� is the footage that forms the basic pitch of the sound; this is the center around which you create the tone. Each harmonic bar is assigned a sine wave (a pure pitch without overtones) of a different pitch, and by combining these pitches you can create a wide range of sounds.

If you�ve selected

�Pipe� or

�Theater� as the vintage organ
type, the harmonic bars will turn the various footages on or off.

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