hi bad mister...did some deeper research...with this hex string its now working: F0 43 10 FA F7 voila...:-)) thanx so far... have a great wee...

...tried - no luck... my string (e.g.) for changing presets on the motif is: F0 43 10 7F 12 0A 00 00 00 F7 ....calls up first preset in mastermode...

thanx bad mister 4 ur superfast reply...my app can send midi messages....already using it 4 switchin presets while running thru the live set..no probs...