Roland SC-8820 Owner's Manual page 38

Parameters
To change a Normal Part to a Drum Part using MIDI messages, transmit the follow-
ing System Exclusive Message.
fig.5-2ae
F0 41 10 42 12 [ 40 1x 15 ] [
Address: 40 1x 15 (USE FOR RHYTHM PART)
x: Part Number
Data: 00–02
00 = Normal, 01 = Drum1, 02 = Drum2
Checksum: Refer to How to calculate the checksum (p.184).
<Example> Setting the Part Mode of Part 11 to Drum2
Transmit the following System Exclusive Message.
fig.5-2be
F0 41 10 42 12 [ 40 1A 15 ] [ 02 ] [ 0F ] F7
To select a drum set after setting the part mode, transmit a program change to part 11.
38
address data checksum
. .
. .
] [ ] F7
address data checksum
Part 11
checksum
Drum2
Also refer to MIDI Imple-
mentation (p.177).