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The laser pen is a tool that can quickly indicate the location of the drawing to be communicated. Only the operator can use it, it can be shown and hidden.
Click "Laser pen" icon on the top tool bar to show it, and click again to hide it.
Note:Only the operator can use the Laser Pen, and the operations of display, hiding, and movement of the laser pointer will be synchronized and displayed on the other members' interfaces.