Akai iMPC - Manual (Page 22)

around themselves instead of clipping. This makes the sound louder and
more distorted. Use the threshold control to set when the wrapping should
occur.
Track
These switches turn the effect on and off for a particular track.
ED2 Tempo-Syncable Delay
Feedback
Causes the sound to echo beyond the original signal.
Dampen
Decreases the volume of the delay effect compared to the original signal.
Dry|Wet
Determines the amount of the original signal heard through the effect. The
closer to Dry, the greater the original sound and the less audible the delay.
Sync
Causes the delay to sound in time with the session tempo.
Rate
Increases or decreases the interval of the delayed sound.
Track
Controls the amount of delay applied to each track.