2. Transmission Data
2-1. Channel information
Transmission is possible only when 1 ~ 16 is specified as
the transmission channel.
1)
Channel voice message
Key ON/OFF
Status 1 0 0 1 n n n n ($9n) n=channel No.
Note No.
0 k k k k k k k k=36(C1)~96(C6)
Velocity 0vvvvvvv (v ≠ 0) Key ON
00000000 (v ≠ 0) Key OFF
Control change
Status 1 0 1 1 n n n n ($Bn) n=channel No.
Control No. 0ccccccc
Control Value 0 v v v v v v v
Control No.
c=1 Modulation wheel v=0~127
c=2 Breath control v=0~127
c=4 Foot control 1 v=0~127
c=7 Foot control 2 v=0~127
c=5~31 Continuous slider 1,2
c=64
Sustain SW
v=0: OFF, 127: ON
c=65
Portamento SW
v=0: OFF, 127: ON
c=66 Sostenuto v=0: OFF, 127: ON
c=67 soft v=0: OFF, 127: ON
c=96 Data entry +1 v=0: OFF, 127: ON
c-97 Data entry -1 v=0: OFF, 127: ON
Program change
v=0~127
No. of
Parameter
gh p
data
byte
00
0~127
1
Voice 01
0~30
1
Additional voice Note 3) 60
0~73
1
Performance 61
0~52
1
Status 1 1 0 0 n n n n ($Cn) n=channel No.
Program No. 0PPPPPPP p=0~127
After touch
Status 1 1 0 1 n n n n ($Dn) n=channel No.
Value 0vvvvvvv v=0~127
Pitch bender
Status
1 1 1 0 n n n n ($En) n=channel No.
Value (LSB) 0uuuuuuu
Value (MSB) 0vvvvvvv
Resolution 7bit
The transmission data are as follows:
2-2. System
information
1) System real time message
Active sensing
Status 1 1 1 1 1 1 1 0
($FE)
2)
System exclusive message
Transmission is possible only when the device No. is not
set to OFF.
Parameter change
Status 1 1 1 1 n n n n
($F0)
ID No.
0 1 0 0 0 0 1 1
($43)
Substatus 0 0 0 1 n n n n ($1n) n=device No.
Group No.
0ggggghh g=group No.
h =sub group No.
Parameter No. 0 p p p p p p p
Data
0 d d d d d d d Single or multiple
0 d d d d d d d bytes
EOX
1 1 1 1 0 1 1 1
($F7)
There are seven parameter group Nos. and parameter Nos.
Master tuning
1 0
64
1
3
Micro tuning
60
126
Note 1)
4
Fractional scaling 60
127 Note 2)
MSB LSB
Note 1) Data bytes
0 k k k k k k k
key number 0-127 binary
0 h h h h h h h data (high) 0-84 binary total of
0 1 1 1 1 1 1 1 data (low) 0-127 binary 3 bytes
Note 2) Data bytes
0 0 0 0 0 p p p operator number 0-5 binary
0 0 k k k k k k key group number 0-127 binary total of
0 h h h h h h h data (high)
0-1 binary 4 byte
0 1 1 1 1 1 1 1 data (low)
0-127 binary
Note 3) Under the Supplement parameter change, DX7
function parameter change will be transmitted
along with the above.
0000 0000 ($00) 0000 0000
($00)
Min.
0100 0000 ($40) 0000 0000
($00)
Mid.
0111 1111 ($7F) 0111 1110
($7E)
Max.
Add-2