ISLA Instruments S2400 User Manual
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HiFi Envelopes as Modulators
Envelopes can modulate pitch and/or filter cutoff. Either parameter can be modulated by either
or both HiFi envelopes, even if a Classic volume envelope is used. At the top of the HiFi Envelope
Editor screen are pitch modulation amount and filter modulation amount. Pitch modulation
amount is specified in semitones and cents. Filter modulation amount is specified in Hertz. Note
that modulation amounts can be positive or negative.
HiFi Envelope Editor Controls
Enter/Encoder Press: Tab between fields to edit. Hold Shift to tab backwards. Another way to
tab between the fields is to hold Enter or Encoder then press Arrows or turn the Encoder.
Arrows/Encoder: Change the value of the selected field.
Fader 1-6: Change the six envelope parts.
Fader 7: Change the pitch modulation amount. The fader sets whole semitone values only, and
the encoder/arrows adjust one cent at a time.
Fader 8: Change the filter modulation amount. The fader is a coarse setting, and the
encoder/arrows allow fine adjustments.
Knob 7: Change the pitch (not the modulation amount).
Knob 8: Change the filter cutoff and resonance (not the modulation amount).
F1: Undo changes made to the envelope. Long-press to completely reset the envelope.
F2: Undo changes made to pitch or filter modulation. Long-press to set all modulation to zero.
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