Rotate the potentiometer P7 completely clockwise, P2 and P4 completely counter clockwise.
Rotate the potentiometer P7 completely clockwise, P2 and P4 completely counter clockwise.
使有效的P7完全地顺时针旋转，P2和P4完全地相反地顺时针。
Rotate the potentiometer P7 completely clockwise, P2 and P4 completely counter clockwise.
使有效的P7完全地顺时针旋转，P2和P4完全地相反地顺时针。