Xpantastic!

> In the MIDI implementation, it's possible to enable/disable the
> quantize thru a "Modulation edit follows" SysEx message (with
> action=05h which is "set quantize on/off"). The same message with
> action=06h is "toggle quantize N/A".
> Does anybody knows what the difference is between this two messages ?
> As far as I know, it's only possible to enable/disable the quantize
> from the XPander panel.
>

How about sending one of those messages via midi, save the patches
(before/after the messages), to see which bit(s) are set or cleared
(if any).
Repeat with the other message.