Opening this door also activates power. The projector cannot be turned on, with the door closed. Once open, you can see the lens and (facing the projector, to the right above, the horizontal lens shift and to the right, the vertical lens shift controls. These allow you to move the picture up or down, left or right, to get a rectangular image where you need it based on projector and screen location. There are two adjustable feet in the front, although the drop controls are on the side.