Yamaha DX27 Electronic Keyboard User Manual


 
Functions only on MSB data:
MSB
00000000
Lowest value
01000000
Center value
01111111
Highest value
4-1-2 Channel Mode Message
Status
1011nnnn
n=channel no.
0ccccccc
0vvvvvvv
Received whether MIDI CH INFO is ON or OFF
C=123
V=0
All notes OFF
C=126
V=1
MONO mode ON
C=127
V=0
POLY mode ON
4-2 System information
4-2-1 System Real-Time Message
Active sensing
Status
11111110(FE)
Sensing begins when this code is received once. If status and data are not received
within 300 milliseconds the MIDI receive buffer will be cleared and the currently
output note will be turned OFF.
4-2-2 System Exclusive Message
(1) Parameter Change (switch remote)
Status 11110000(F0)
ID no.
01000011(43)
Substatus/ch. no. 0001nnnn(1n)
n=channel no.
Parameter group no.
00001000(08)
Switch no.
0mmmmmmm
Data
0ddddddd
d=0: OFF, 1~127: ON
EOX
11110111(F7)
All panel switches are controlled. The switch numbers are arranged as shown in
the illustration below. Received only when MIDI SYS INFO is ON.
(2) Parameter Change
The format is the same as the transmitted parameter change data. Received only
when MIDI SYS INFO is ON. Permits changing voice and function parameters
while the EDIT mode is active. It is also possible to change modes: PLAY, EDIT, etc.
The parameter no. and data received are show in voice parameter table 5-2 and
function parameter table 5-3.
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