When you first turn on your projector, you may be surprised to find there's no picture from your computer. By default, Windows does not feed images to the screen and video out ports at the same time.

The zoom function on an NEC projector controls the size of the image. The diagonal image size can vary from 20 inches to 300 inches, depending on the projector's distance from the screen. The focus ...

If the image on your screen or wall is not the right shape after setting up your video projector, keystone correction might help Unlike a TV, setting up a video projector is a lot more complicated.