Hi John -
You may be describing something else, but in case it's retriggering envelopes while using sustain... Here is a block from the BKMs doc I threw together:
Notes Disappearing When I Use Sustain Pedal?
While there are many things that could be causing this … one of the first things I check, on any patch that has ‘disappearing’ notes (when I use a sustain pedal) is: Note Priority. Specifically, the envelop is not retriggering. Though there are many great features and reasons for the various settings of note priority – it can also cause the OB to ‘hang on’ to notes, and not release them for the next notes. Particularly, if you are using a sustain pedal, on a non-Unison patch. So how to fix this? Press the [Key MODE] button, then while holding it down, use the TENS/SELECT and/or BANK/SELECT buttons, to move through the various Note Priorities. What you are looking for is one if the ones that have ‘r’ETRIGGER.. E.G. LOr (Low Retrigger), Hir (High Retrigger), or LAr (Last Retrigger). This is not an uncommon setting in commercial OB-6 patches. In fact, when I am going through a new set – one of the first things I do, is fix retriggering
hth -
Joe