Dell 3400MP Manuel Du Propriétaire page 12

Adjusting the Projected Image
Raising the Projector Height
Press the elevator button.
1
Raise the projector to the desired display angle, and then release the button to
2
lock the elevator foot into position.
Use the tilt adjustment wheel to fine-tune the display angle.
3
Lowering the Projector Height
Press the elevator button.
1
Lower the projector, and then release the button to lock the elevator foot into
2
position.
1 Elevator button
2
Elevator foot
3
Tilt adjustment wheel
12 Using Your Projector