6、Plug in the power, press the lift switch, down the projection screen and the sensor
layer, please observe whether there is pause problem, if abnormal, please close the
projection screen,
after troubleshooting, put down the projection screen and sensor
layer.
Picture 8：
7、Fix the position of the magnet holder according to the position of the axis of the
projection screen. Find the appropriate position on the wall to mark, punch and install
the magnet holder.
Picture 9：
