{
 "_sources": [
  {
   "type": "vendor-doc",
   "url": "http://www.musictechnologiesgroup.com/files/SER7_manual2.pdf",
   "notes": "DX7 SPECIAL EDITION ROM instruction guide (SER-7; hosted by Music Technologies Group, publisher not named)",
   "firmware": "ser7",
   "imported_at": "2026-10-26"
  }
 ],
 "_limitations": "The SPECIAL EDITION ROM (SER-7) shares the DX7 receive MIDI. On the unit (Function 8 and others): receive channel Omni or 1-16, transmit channel 1-16, channel information (notes, program and control changes) on/off, system information (SysEx) on/off, aftertouch transmission on/off, MIDI Main Volume (CC7) transmitted from a controller input, function parameters 2-7 kept per voice. Claims that Yamaha released it are unverified. Sold as hardware by its maker; nothing is hosted here. Untested on hardware.",
 "midi_of": "yamaha/dx7.knobkraft.fw-unknown",
 "device": {
  "name": "DX7",
  "vendor": "Yamaha",
  "revision": "DX7 SPECIAL EDITION ROM instruction guide (SER-7; hosted by Music Technologies Group, publisher not named)",
  "osc_prefix": "/dx7"
 }
}