Instructions:1. Press and hold the main switch for 2 seconds to turn on/off; short press the host to switch mode.
2. Press and hold the 3-second pair code (the red indicator light is fully illuminated), press any key pair code on the remote control,
and the key function is successfully displayed.
3. Press the left turn button of the remote control (the left indicator flashes) to the left, and press the right turn button
(the right indicator flashes) to the right.
4. Press the yellow button in the middle of the remote control to switch the belt flash mode.
5. Open the battery cover of the main unit, press the polarity of the battery correctly, cover the battery cover,
and press the cutting head to unscrew the upper cover to replace the remote control battery.