Dave Smith Instruments PROPHET 12 DESKTOP - Manual (Page 42)

30 Low Frequency Oscillators Dave Smith Instruments
Pulse and Random, shapes that normally change state virtually instantaneously.
As Slew Rate increases, those changes are drawn out, elongated, and the result is
a sort of smoothing effect.
Wave Reset: Off, On —When off, the LFO is free running. When on, the LFO
is re-started each time a new note is played. Wave Reset is set independently for
each LFO.
Note: Use Phase to offset the start point when Wave Reset is on.