PROFORMANCE
16
Your MIDI keyboard
controller may have two
or more control wheels.
PROFORMANCE CONTROLS
Mod. Wheel
Pitch Wheel
■
CONTROL WHEELS
Your MIDI keyboard will probably have a pair of control
wheels (or levers) located on the left side of the unit. The left
wheel or lever is usually spring loaded and is normally used
to control pitch. The right wheel or lever is usually not spring
loaded and is a general purpose wheel normally used to
control modulation amount.
The
Left Wheel
is programmed to be a pitch bender and
allows you to bend notes up and down. This wheel bends the
pitch up when pushed forward, down when pulled back and
returns to normal tuning when the wheel is centered.
The
Right Wheel
is programmed to control the amount of
modulation applied to the sound. This modulation may be
different for each preset and can take the form of vibrato,
tremolo, or chorusing. With the right wheel all the way
toward you (down), there is no modulation. As the wheel is
pushed forward, more modulation is added. The modulation
amount is assigned to MIDI continuous controller #1.
●
Vibrato is a cyclic change in pitch.
●
Tremolo is a cyclic change in amplitude.
●
Chorusing is a voice doubling effect created by detuning
the two sides of the stereo sound and slightly modulating
the pitch.
■
MIDI VOLUME CONTROL
Your MIDI keyboard may have a provision for a MIDI volume
control. This may be a control mounted on the keyboard itself,
or it may be controlled via a footpedal.
In any case, the volume
of
PRO
FORMANCE can be controlled from your MIDI
controller if it sends this information on MIDI continuous
controller channel #7. Consult the operation manual of your
MIDI controller to find out if it transmits MIDI Volume
information. For more information on MIDI, see page 19 in
this manual.
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