Dave Smith Instruments PROPHET 12 KEYBOARD - Manual (Page 47)

37 Prophet 12 Operation Manual Hold
Hold
When h
olD
is on, any played notes will continue to play until h
olD
is
turned off. If more than twelve notes are played, voices will be stolen
from the earlier held notes in order to play the new notes.
When used in conjunction with the arpeggiator’s Arp Auto Latch
function, arpeggiated notes are latched on and replaced by any new
note(s) struck.