Use your needle position knob.mark 1/2 inch on a piece of paper, attach walking foot and set the knob for the needle position at the number that corresponds with your mark. Or use the plate markings the 10 marking on the plate with the needle position central is 1/2 inch I gave the Juki (I think it's the HZL 600) just out of bed and having a brain fog day and don't have the energy to nip upstairs to sewing room and check ��