You can use a sequencer to turn on or off parts on the RD-500 using system
exclusive messages. Here are the messages for each part:
Part OFF
1 F0 41 10 6B 12 01 00 00 41 00 3E F7
2 F0 41 10 6B 12 01 00 00 42 00 3D F7
3 F0 41 10 6B 12 01 00 00 43 00 3C F7
4 F0 41 10 6B 12 01 00 00 44 00 3B F7
5 F0 41 10 6B 12 01 00 00 45 00 3A F7
6 F0 41 10 6B 12 01 00 00 46 00 39 F7
UP F0 41 10 6B 12 01 00 00 24 00 5B F7
LW F0 41 10 6B 12 01 00 00 23 00 5C F7
Part ON
1 F0 41 10 6B 12 01 00 00 41 01 3D F7
2 F0 41 10 6B 12 01 00 00 42 01 3C F7
3 F0 41 10 6B 12 01 00 00 43 01 3B F7
4 F0 41 10 6B 12 01 00 00 44 01 3A F7
5 F0 41 10 6B 12 01 00 00 45 01 39 F7
6 F0 41 10 6B 12 01 00 00 46 01 38 F7
UP F0 41 10 6B 12 01 00 00 24 01 5A F7
LW F0 41 10 6B 12 01 00 00 23 01 5B F7
exclusive messages. Here are the messages for each part:
Part OFF
1 F0 41 10 6B 12 01 00 00 41 00 3E F7
2 F0 41 10 6B 12 01 00 00 42 00 3D F7
3 F0 41 10 6B 12 01 00 00 43 00 3C F7
4 F0 41 10 6B 12 01 00 00 44 00 3B F7
5 F0 41 10 6B 12 01 00 00 45 00 3A F7
6 F0 41 10 6B 12 01 00 00 46 00 39 F7
UP F0 41 10 6B 12 01 00 00 24 00 5B F7
LW F0 41 10 6B 12 01 00 00 23 00 5C F7
Part ON
1 F0 41 10 6B 12 01 00 00 41 01 3D F7
2 F0 41 10 6B 12 01 00 00 42 01 3C F7
3 F0 41 10 6B 12 01 00 00 43 01 3B F7
4 F0 41 10 6B 12 01 00 00 44 01 3A F7
5 F0 41 10 6B 12 01 00 00 45 01 39 F7
6 F0 41 10 6B 12 01 00 00 46 01 38 F7
UP F0 41 10 6B 12 01 00 00 24 01 5A F7
LW F0 41 10 6B 12 01 00 00 23 01 5B F7