Motorized Projection Screen

Image of a motorized projection screen in the classroom
This classroom has a motorized projection screen.  In most rooms, the switch is located on the wall near or next to the podium. 

Projection Screen Switch

The projection screen switch is a three-position switch.  Please note that the actual switch may look different than the one shown at right. 

Up:  Flip the switch up to the top position to retract the screen. 

Center: The center position stops the motion of the screen.

Bottom: Flip the switch down to the bottom position to extend the screen.