User Guide
© Focusrite Audio Engineering LTD
15
System Exclusive Messages
!
Each of the following SysEx messages have the same header
!
F0h 00h 20h 29h 02h 18h
(240, 00, 32, 41, 2, 24)
Following this is the 6
th
byte and then further values depending on the message. All SysEx messages are terminated by:
!
F7h (247)
!
!
Parameter Name
6th Byte
Value 1
Value 2
Value 3
Value 4
Repeatable?
Notes
Set LEDs
(standard colour
mode)
0Ah (10)
LED
0Bh - 6Fh
(11-111)
Colour
00h - 7Fh
(0-127)
--
--
Yes, up to 80
times
Set LEDs (RGB
mode)
0Bh (11)
LED
0Bh - 6Fh
(11-111)
Red
00h - 3Fh
(0-63)
Green
00h - 3Fh
(0-63)
Blue
00h - 3Fh
(0-63)
Yes, up to 80
times
Set LEDs by
column
0Ch (12)
Column
number
(0-8)
Colour
00h - 7Fh
(0-127)
--
--
Yes, up to 9 times
Columns are numbered from left to
right
Set LEDs by row
0Dh (13)
Row
number (0-
8)
Colour
00h - 7Fh
(0-127)
--
--
Yes, up to 9 times
Rows are numbered from bottom to
top
Set all LEDs
0Eh (14)
Colour
00h - 7Fh
(0-127)
--
--
--
No
A colour value of 0 switches off all
LEDs
Flash LED
23h (35)
Mode
(unused, 0)
LED
0Bh - 6Fh
(11-111)
Colour
00h - 7Fh
(0-127)
--
Yes, up to 80
times
Selected LED flashes between current
lit colour and colour specified in value
3. If selected LED is current not lit then
it will flash between off and colour
specified in value 3.