Korg Soundlink DRS OASYS PCI Patches & Effects Manual page 173

PCM
envelope amounts, the envelope will increase the cutoff frequency above the setting
on the Cutoff knob. With negative amounts, the envelope will act as if it is inverted,
decreasing the cutoff frequency below the setting on the Cutoff knob.
At 0, the envelope will have no affect. At +100, the envelope will open the filter all
the way at its peak, even if Cutoff is set to 0. At -100, the envelope will close the
filter all the way down at its peak, even if the Cutoff is set to 100.
Envelope amount affect on cutoff frequency
LFO Amt
+/- 100.0. The LFO can be used to control the filter cutoff frequency, adding to or
subtracting from the setting on the Cutoff knob.
Envelope
Attack
0-100. This sets the attack time of the filter envelope, which controls how long it
takes from the moment that the key is pressed until the envelope reaches its peak.
Decay
0-100. This sets the decay time of the filter envelope, which controls how long it
takes the envelope to fall to the sustain level after the attack is complete.
Sustain
0-100. This sets the sustain level for the filter envelope. After the decay time is
complete, the envelope will stay at this level as long as the note is held.
OASYS PCI
+100
0
-100
Xenon 4
165