KORG PA4X 76 - Manual (Page 579)

Effect parameters |575
St. Auto Fade Mod. (Stereo Auto Fade Modulatiom)
This stereo chorus/flanger effect enables you to control the LFO speed and
effect balance using auto fade, and you can spread the sound by offsetting
the phase of the left and right LFOs from each other.
AutoFade LFO Frequency
FX Amt
Delay
Delay
Left
Right
Feedback
LFO Shape
LFO Phase
LFO: Tri / Sine
FX Amt
FX Amt
High Damp
Stereo In - Stereo Out