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Controlling the SD-80 via MIDI
Controlling the 
SD-80 via MIDI
Editing the MFX effect parameters
You can edit effect parameters such as equalizer gain and frequency, delay time, and feedback level.
*
The MFX effect parameters will sometimes be included in the sound parameters (PART), and sometimes be outside 
the sound (COMMON). The address will differ depending on which of these is being referenced, as specified by 
“MFX source.”
When MFX source = PART
When MFX source = PART (i.e., when editing the MFX of an enhanced sound), transmit the following 
system exclusive data.
fig.8-10_99
Address (p1 p2):
when editing the insertion effect for part 1 =11 00
when the sound is a drum set =11 10
when editing the insertion effect for part 2 =11 20
when the sound is a drum set =11 30
when editing the insertion effect for part 3 =11 40
when the sound is a drum set =11 50
Address (r1 r2):
when editing parameter number 1 =06 11
when editing parameter number 2 =06 15
: (the address will increment 04H each time the parameter number increases by 1)
when editing parameter number 29 =07 01
when editing parameter number 30 =07 05
when editing parameter number 31 =07 09
when editing parameter number 32 =07 0D
Data
(d1, d2, d3, d4):
Effect parameter
The lower 4 bits of the four data bytes indicate a signed numerical value.
Checksum (ss):
For details on the calculation method, refer to the section 
“How to calculate the 
checksum”
 within 
“MIDI Implementation”
 (MIDIImp_E.pdf) on the included CD-
ROM.
F0 41 10 00 48 12 [p1 p2 r1 r2] [d1 d2 d3 d4] [ss] F7
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
Data byte expression
The value to be specified is first expressed as a 
16-bit hexadecimal
 in which 
32768 = 8000H
 is 0.
Each digit is input in the lower place of each data byte.
Parameter value to be specified
Data bytes
-20000 = 031EH
00 03 01 0E
-19999 = 031FH
00 03 01 0F
:
:
-2 = 7FFFH
07 0F 0F 0E
-1 = 7FFFH
07 0F 0F 0F
0 = 8000H
08 00 00 00
1 = 8001H
08 00 00 01
2 = 8002H
08 00 00 02
:
:
19999 = CE1FH
0C 0E 01 0F
20000 = CE20H
0C 0E 02 00