Item

Function

J13 (X), J12 (Y)

motor-current jumpers (Section 7.1)

J9 (X), J6 (Y)

microstep jumpers (Section 7.2)

RV2 (X), RV1 (Y)

current-adjust trimmers (ADJ position)

TP3 (X VREF), TP2 (Y VREF), TP1 (GND)

current-setting test points (Section 7.1)

J8, J1

factory use; do not connect