Digital Inputs
| PIN | 1 | 2 | 3 | 4 | 5 | 6 |
| A 0 |
Group 1 |
A |
STEP 1 |
STEP 9 |
MUTE |
- |
| B 1 |
- |
B |
STEP 2 |
STEP 10 |
LOOP |
- |
| C 2 |
- |
- |
STEP 3 |
STEP 11 |
FWD |
(TEMPO) |
| D 3 |
Group 3 |
- |
STEP 4 |
STEP 12 |
PLAY |
(TEMPO) |
| E 4 |
Group 4 |
EXIT |
STEP 5 |
STEP 13 |
- |
EDIT |
| F 5 |
Group 2 |
SELECT |
STEP 6 |
STEP 14 |
STOP |
SONG |
| G 6 |
(INST) |
- |
STEP 7 |
STEP 15 |
RWD |
- |
| H 7 |
(INST) |
- |
STEP 8 |
STEP 16 |
- |
PATTERN |
Digital Outputs
| PIN | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
| QA 7 |
MA trigger |
GATE |
STEP 8 |
- |
STEP 16 |
MUTE |
ACCENT |
| QB 6 |
CP trigger |
A |
STEP 7 |
- |
STEP 15 |
STOP |
ACCENT |
| QC 5 |
HT trigger |
B |
STEP 6 |
CH trigger |
STEP 14 |
FWD |
BEAT |
| QD 4 |
MT trigger |
- |
STEP 5 |
OH trigger |
STEP 13 |
REW |
BAR |
| QE 3 |
LT trigger |
C |
STEP 4 |
CY trigger |
STEP 12 |
LOOP |
EDIT |
| QF 2 |
SD trigger |
- |
STEP 3 |
- |
STEP 11 |
SELECT |
SONG |
| QG 1 |
BD trigger |
D |
STEP 2 |
CB trigger |
STEP 10 |
EXIT |
PATTERN |
| QH 0 |
- |
AUX |
STEP 1 |
RS trigger |
STEP 9 |
- |
PLAY |
NOTES: "-" denotes not used. Items in parentheses are encoders and need two shift register pins.