also true... it could be overflowing the midi in buffer on the matrix-1000 which is easy to do even with a series of patch change commands. make sure what you are using to send the midi data with has an open for slower transmission.

does anyone else know about that file in this group -pc

On Jan 21, 2011, at 5:36 PM, Paul Cunningham < paul@... > wrote:

> BTW, there's a note: "A gap of at least ten msec should be allowed between patches when sending
> multiple patches to the M-1000."