Yamaha DX21 - Manual (Page 41)

(2) Key On
Status
Note no.
Velocity
(3) Control Change
1000nnnn
0kkkkkkk
01000000 n=channel no.
k=36(C1) ~ 96(C6)
Status 1011nnnn n=channel no.
Control no. 0ccccccc
Control code 0vvvvvvv
a) Transmitted whether MIDI CH INFO is ON or OFF
Control no. Control code.
C=64: Sustain
SW . V=0:OFF, 127:ON
b) Transmitted when MIDI CH INFO is ON
Control No.
C=1 : modulation wheel
C=2: breath control
C=6: data entry slider
C=7: foot volume
C=65: portamento
SW .
(4) Program Change
Control code
V=0~127
V=0~127
V=0~127
V=0~127
V=0:OFF, 127:ON
Status 1100nnnn n=channel no.
Program no. 0ppppppp p=0~31
This data is transmitted when a voice selector is pressed during the play mode,
when MIDI CH INFO is ON and MIDI SYS INFO is OFF. Also transmitted when
a performance selector is pressed in the performance mode.
(5) Pitch Blend
Status
Code (LSB)
Code (MSB)
1110nnnn
0uuuuuuu
0vvvvvvv
n=channel no.
The transmitted data is as follows:
MSB LSB
00000000 00000000
01000000 00000000
01111111 01111110 Lowest value
Center value
Highest value
2-2. SYSTEM INFORMATION
2-2-1. System Real-time Message
Active sensing
Status 11111110
Transmitted once approximately every 200 milliseconds
2-2-2. System Exclusive Message
Transmitted only when MIDI SYS INFO is ON
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