This problem not be solved. My Karafun Studio don't pass sysex-message, because of this XG-midi work incorrect: before each song, Karafun is send GM-initial message (System On = Reset) - F0 7E 7F 09 01 F7, but if on feature "Advanced>Midi Playback>Never sent a reset to the midi mapper" sysex-message don't pass at all.
How send XG- or GS-initial message (F0 43 10 4C 00 00 7E 00 F7 or F0 41 10 42 12 40 00 7F 00 41 F7) for my synth?
