Alesis D4 Service Manual page 30

Message 2 / Old Trigger Setup (version 1.01 only)
Data Format (following header):
Byte
7
8
9
---
---
19
20
21
---
---
31
32
33
Message 3 / Program Table
Data Format (following header):
Byte Bit Field
7 0000 0011
8 000p pppp
9 000p pppp
- ---- ----
- ---- ----
135 000p pppp
136 0xxx xxxx
137 1111 0111
Message 4 / Display Message
This message will display 32 characters on the LCD for approximately 5 seconds and then
restore the previous display.
Data Format (following header):
Byte
7
8
9
---
---
39
40
Alesis D4/D5 Drum Modules Service Manual
Bit Field
0000 0010
000t tttt
000t tttt
---- ----
---- ----
000t tttt
000t tttt
000t tttt
---- ----
---- ----
000t tttt
0xxx xxxx
1111 0111
Opcode = Program table
Internal Drumset selected for external program change 0
Internal Drumset selected for external program change 1
Internal Drumset selected for external program change 127
Checksum
EOX
Bit Field
0000 0100 Opcode = Display Message
0aaa aaaa LCD character position 0
0aaa aaaa LCD character position 1
---- ----
---- ----
0aaa aaaa LCD character position 31
1111 0111 EOX
Description
Opcode = Trigger Setup
Trigger 1 gain
Trigger 2 gain
---
---
Trigger 12 gain
Trigger 1 type
Trigger 2 type
---
---
Trigger 12 type
Checksum
EOX
Description
---
---
Description
---
---
26
Range
(0-99)
(0-99)
---
---
(0-99)
(0-25)
(0-25)
---
---
(0-25)
(0-127)
Range
(0-20)
(0-20)
(0-20)
(0-127)
Range
(ascii)
(ascii)
---
---
(ascii)
02/19/03
---
---