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>Oscillator Waveform :
which you can choose any of the 62 spectral waves.
> CONTOUR
This determines the contour or slope of the currently selected waveform. It basically has the
effect of 'squashing' the waveform from one side or the other, depending on whether you
enter a positive or negative value. For instance by using extreme values you can turn a trian-
gle wave into a rising or falling 'ramp' wave. You can also use this parameter to adjust the
pulse width of the pulse (square) waveform.
NOTE: If the current waveform is one of the spectral waveforms, then negative values will
'zoom' into the wave. Positive values will have no effect on the spectral waveforms.
> ENV MODE
When enabled, the LFO will only cycle through the waveform once. This effectively turns the
LFO into an additional envelope which is shaped according to the currently selected wave-
form.
> KEY FOLLOW
This determines to what extent LFO rate is affected by MIDI note number. When set to Off,
the LFO will oscillate at the same frequency regardless of which key is played. When set to
127, the frequency will increase the higher you play up the keyboard. Lesser values result in a
more subtle increase.
> KEY TRIG
When set to Off, the LFO is free-running. When set to any other value, the LFO is forced to
start its cycle at the same point as soon as a key is played. Changing the value moves the
start point along the wave cycle.
> LFO MODE
When set to Mono, LFO 1 is applied to each voice (note) in sync. When set to Poly, each
voice is modulated independently.
NOTE: Note: there will only be a difference between these two modes as long as Key Trig is
set to Off and LFO 1 is not in clock mode.
Selecting this button will open up a window from
VIRUS POWERCORE MANUAL
61
THE LFO PAGE
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