Yamaha | DX7 | manual | Yamaha DX7 User manual

Transmission Data
Bulk data of 1 voice
(add 155th byte and make the
2's complement)
Bulk data of 32 voices
(transmited when it is unavailable)
(add 4096th byte and make the
2's complement)
Parameter change
common Voice
MIDI active sensing
This message usually requests transmission every
80msec (except for the period of transmitting/receiving
the bulk dump).
Reception Data
This message can be received when the channel
number of reception data accords with the channel
number of the DX7.
MIDI active clock
This message usually requests reception regardless
of MIDI channel number. When this clock is
suspended longer than 666 msec (except for
receiving the bulk data), the on-going sound turned
OFF.
Bulk data of 1 voice
This message requests reception with the same
format as transmission when MIDI channel numbers
are corresponded, system information is available,
and Memory protect is off.
(v : ignored)
Bulk data of 32 voices
This message requests reception with the same
format as transmission when MIDI channel numbers
are corresponded, system information is available,
and Memory protect is off.
Parameter change
Voice parameter and function parameter request
reception with the same format as transmission when
MIDI channel numbers are corresponded, system
information is available, and Memory protect is off.
This message requests the performance data of the DX1 A-side.
(LS 4 bit are ignored.)
ignored
ignored
(ignored)
(add 94th byte and make the
complement on 2)
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