Roland Prelude Manuale Utente

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Performance Functions and Effects
The D Beam controller can be used simply by waving your 
hand over it. Depending on the function that is assigned to it, 
the D Beam controller can be used to apply varius effects and 
to modify the sounds.
1.
Press the [PITCH], [FILTER] or [VOLUME] button in the D 
BEAM section (the button you press lights blue).
You can’t use these buttons at the same time.
2.
While you play the keyboard to produce sound, place 
your hand above the D Beam controller and move it slowly 
up and down.
3.
To turn off the D Beam controller, once again press the 
The sensitivity of the D Beam controller will change depending 
on the amount of light in the vicinity of the unit. If it does not 
function as you expect, adjust the D Beam Sens parameter as 
appropriate for the brightness of your location. Increase this 
value will raise the sensitivity (p. 46).
Assigning a function to the D Beam 
controller
1.
Press and hold the [FILTER] or [VOLUME] button.
The D BEAM screen will appear.
2.
Use [
] [
] to select a parameter.
3.
Turn the VALUE dial to select the desired D Beam function.
4.
When you’ve finished making settings, press [EXIT].
The Main screen will appear.
Functions that can be assigned
Performance Features
D Beam Controller
Button
Explanation
PITCH
Lets you change the pitch of the sounds 
you play on the keyboard.
FILTER
Changes the tonal character of the 
sounds you play n the keyboard. (For 
some sounds the timbre change may be 
difficult to notice.)
VOLUME
Changes the volume of the sounds you 
play on the keyboard.
D Beam 
function
Explanation
DRUM 
ROLL*
A snare drum roll will continue as long as your 
hand is positioned over the D Beam. Move your 
hand closer to increase the volume, and move 
your hand rapidly away to play a cymbal.
CHIMES*
Chimes will sound when you position your hand 
above the D Beam. The volume is greater when 
you move your hand more rapidly.
BUBBLE*
The sound of bubbles will continue as long as 
your hand is positioned above the D Beam. The 
volume will increase as you move your hand 
closer.
The usable range of the D Beam controller
The diagram shows the usable range of 
the D Beam controller. Waving your 
hand outside this range will produce no 
effect.
The usable range of the D Beam 
controller will become extremely small when used under 
strong direct sunlight. Please be aware of this when using 
the D Beam controller outside.
Prelude_e.book  Page 34  Wednesday, January 14, 2009  2:18 PM