... timing depend on frequency conversion ,controled by 6 gears ,adjustable at any moment(display in operation faceplate), the quickest speed can ... 6)Neilsbed shift: Controlled by marching motor, shiftable 3 Needles at left or right, adjust unit is 0.5 needle(permit ... driving in-phase with come-and-go, adjustable of knitting at will .(11)Adjust density : marching motor amplidyne ,adjustable 1-400 segments ...