①Press the display panel buttons at the same time for “Speed” and “Volume”. After 3 seconds, enter the user settings. Press “Remote” at this point to toggle settings options.

②Menu 8：Reversing speed

③Press “Add” and “Subtract” at this point.

④Adjust the operating speed when the machine is reversed：1-20（1：Lowest speed、20：Maximum speed、Recommended parameters：8-6）

⑤Once set up, it’s done. Press “Speed” and “Volume” at the same time to exit the settings interface.