sub command 2: patch number (range is 0-63 for single and 64-127 multi).sub command 1: 00- internal patch 02- external (memory card) patch.00 is Group number (appears to be always zero).22 is the function number (these are for functions like send me a patch, bank, or effect.I looked at the file SYSEX header (these values are hexadecimal) using MIDI-OX: I had wrote in another blog that 8BITK4.syx would not transfer. My self and others have reported problems transferring SYSEX files to a K4 so I decided to take a look. If you want to hear a K1 in action, check out my Cyberpunk album at. My first synth was a K1, so I know these well.