VU meter: meter shows incoming signal
Bypass on/off: bypass the effect
Units: select units for delay either milliseconds or step
Step: when step units are selected choose between 1/8 triplet delay or 1/16 delay
Feedback: Amount of feedback in delay signal
Pan: Pan the delay signal left/right
Dry/Wet: Amount of dry/wet signal in output path
Midi Learn: The Feedback, Pan and Dry/Wet knobs have a midi learn function. Right Click on a knob and then move your midi controller to assign that knob to that controller.