Apple TV can be using to mirror your iPad screen or Mac screen.

See instructional videos below.
Any questions, please don't hesitate to ask. x1517

General Instructions

Use the silver remote, click any button - this turns on the Apple TV. You will know it is on when you see a white light (dot) on the TV. With your projector remote, select the source "HDMI."

Apple TV with iPad

Apple TV with Mac