①Press the display panel buttons at the same time for “Speed” and “Volume”. After 3 seconds, enter the user settings.

②Press “Add” at this point to switch to system settings. Press “Remote” at this point to toggle settings options.

③Menu 6：Radar distance

④Press “Add” and “Subtract” at this point.

⑤Adjust the radar sensing distance：4-20（4： Cancel the radar function、5：Radar minimum detection range、20：Radar maximum detection range、Recommended parameters：6-15）

⑥Once set up, it’s done. Press “Speed” and “Volume” at the same time to exit the settings interface.