This is something I wrote a while ago that didn't get used. I think Paul explained this, but perhaps someone will find it useful:
"Here’s how the Repetition tool works. A 5-note repetition performance, for example, is split up into five programs: one that plays all five notes, one that starts on the second note and plays the remaining four, one starting on the third note, and so on.
By automatically jumping to the program that starts with the next attack every time you play a note on your keyboard, you can program various numbers of repetitions, either by leaving out some of the recorded notes or (if you need more than the number of recorded repetitions) by looping back to an earlier note. These patterns are then called up using MIDI keyboard Function keys (which are so named to avoid confusing them with keyswitches)."
"Here’s how the Repetition tool works. A 5-note repetition performance, for example, is split up into five programs: one that plays all five notes, one that starts on the second note and plays the remaining four, one starting on the third note, and so on.
By automatically jumping to the program that starts with the next attack every time you play a note on your keyboard, you can program various numbers of repetitions, either by leaving out some of the recorded notes or (if you need more than the number of recorded repetitions) by looping back to an earlier note. These patterns are then called up using MIDI keyboard Function keys (which are so named to avoid confusing them with keyswitches)."