1. First, plug the Zhongjie sewing machine into the power socket, press the power switch on the sewing machine panel, and observe whether there is a display on the machine.

2. Then adjust the sewing machine to make the machine head level. Place the fabric in your hand at the presser foot of the sewing machine. Gently rotate the machine head with your hand to see if the needle eye is aligned with the presser foot. If the needle eye is not aligned, then Need to adjust the needle eye position.

3. Finally, press the p key, and the p1 bar 2000 will be displayed, so that you can adjust the speed.