How to Send Sysex or Obtain More Midi Values With KM?

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