Let's say that the KM processes and sends a full SysEx data packet, thus defining byte 90
as EOX. nor does the expected act achieve its purpose. then how to achieve the desired "Note on" == 90 64 7F
to be sent to header address?:
F0 00 00 66 10 12
Note:
in case using another MIDI tool: Pocket MIDI with SysEx window:
- I send exactly the same message and get the result I want without problems with the theoretic items provided by @tiffle