Specifications
Appendix B Logic Control—MIDI Implementation 173
V-POTs
Received: None
Transmitted: B0, 1i, XX V-POTs turned by user
i V-POT ID (00–07)
XX delta value in the form of ( 0 s v v v v v v )
s direction bit:
0 = clockwise,
1 = counter clockwise
vv number of ticks
Examples:
• B0, 10, 01 = V-POT Ch. 1 is being turned clockwise by one tick.
• B0, 17, 47 = V-POT Ch. 8 is being turned counter-clockwise by 7 ticks.
V-POT LED ring
Received: B0, 3i, XX Set LED ring display
Transmitted: None
i V-POT number (0 thru 7)
XX V-POT display control byte in the form of
( 0 p x x v v v v ):
p V-POT display center LED state
(1 = on, 0 = off)
xx V-POT mode (00 thru 03; see diagrams below)
vv V-POT display position value
00 = all LEDs in ring off;
01 thru 0B see diagrams below
Example:
• B0, 31, 06 = V-POT 2 display shows LEDs at position 6
Note: In any V-POT display mode, a received LED position value of 00 will turn off all of
the V-POT LEDs.










