New eprom SER-7 firmware for the Yamaha DX7 mk I. Installation and user manual (43 pages) can be found googling exactly 'dx7 ser 7 manual aberdeen'.
The SPECIAL EDITION ROM was developed to enhance the performance and MIDI capabilities of the Vintage DX7. The enhanced features of this SPECIAL EDITION ROM include the following:
(1) FUNCTION PARAMETERS FOR EACH VOICE CAN BE MEMORIZED OR SAVED TO INTERNAL MEMORY OR A RAM CARTRIDGE.
(2) THE SPECIAL EDITION ROM DISPLAYS THE CURRENT MASTER TUNE SETTING OF THE DX7.
(3) MIDI CHANNEL INFORMATION ON/OFF FEATURE WHICH ALLOWS YOU TO ENABLE OR DISABLE PROGRAM AND CONTROL CHANGES.
(4) MIDI SYSTEM INFORMATION ON/OFF FEATURE THAT ALLOWS YOU TO TRANSMIT SYSTEM EXCLUSIVE DATA OF A SINGLE VOICE OR ALL 32 VOICES CONTAINED IN INTERNAL MEMORY.
(5) INITIALIZATION FEATURE TO INITIALIZE FUNCTION PARAMETERS OF A SINGLE VOICE OR ALL 32 VOICES.
(6) MIDI RECEIVE FEATURE THAT ALLOWS YOU TO GET THE MIDI RECEIVE CHANNEL TO THE “OMNI ON” MODE OR ANY OF THE 16 MIDI CHANNELS.
(7) MIDI TRANSMIT FEATURE WHICH ALLOWS YOU TO GET THE MIDI TRANSMIT CHANNEL TO ANY ONE OF THE 16 MIDI CHANNELS.
(8) AFTERTOUCH ON/OFF FEATURE THAT ALLOWS YOU TO SELECT WHETHER YOU WANT TO TRANSMIT, OR NOT TRANSMIT, MIDI AFTERTOUCH INFORMATION. THIS AFTERTOUCH ON/OFF PARAMETER CAN BE MEMORIZED OR SAVED FOR EACH VOICE ..AND..
(9) MAIN VOLUME TRANSMIT FEATURE WHICH ALLOWS YOU TO TRANSMIT MIDI VOLUME INFORMATION BY UTILIZING THE MODULATION FOOT CONTROLLER INPUT. THIS PARAMETER CAN ALSO BE MEMORIZED OR SAVED FOR EACH VOICE.
SER-7 just fixes some midi issues like velocity, and makes "the orange settings" like pitch bend, portamento and modulation wheel settings saved per sound, instead of being universal. On the other hand, it doesn't work fine with the cartridges, so you don't have pitch bend or modulation on the cartridge sounds unless you save them to internal memory, but if you don't use the carts it won't be an issue .
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