104 CHAPTER 14
The Parameters
OSCILLATOR 1- FRONT
PANEL
SHAPE This control feature lets you
determine the waveshape for the
WAVE section (one of 64 variable
spectral waveshapes). The wave-
shape is infinitely variable from
sawtooth through to pulse waves.
Wave or pulse width selection is
executed via the SHAPE and WAVE
SEL/PW control features (see
appropriate section): If SHAPE has
a value less than the value of the
center position, then WAVE SEL/
PW determines the waveshape; if
the SHAPE value is higher than
that of the center position, then
WAVE SEL/PW determines the
pulse width.
WAVE SEL/PW has two functions,
depending on the SHAPE (see
appropriate section) value:
• When SHAPE has a value lower
than that of the center position,
then WAVE SEL/PW lets you select
from the 64 spectral waveshapes
available in the ROM of the Virus.
Waveshape 1 is a sine wave; No. 2 a
triangle, the remainder of the
waves feature different combina-
tions of frequencies.
• When the SHAPE value is higher
than that of the center position,
then WAVE SEL/PW determines the
pulse width: At the far left position
the pulse width is 50%, at the far
right it is 0%, which means the
wave no longer oscillates.
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