This remote is used for the screen. The up and down buttons are used to control the screen and the middle button can stop the screen at a certain point.
This remote is used for the projector – switching it on/off, changing display, zoom etc.
This remote is for the Apple TV to navigate through menus and play media.
Apple TV allows any Apple device currently connected to the Excelcare/Guildmore network to be viewed on the screen via AirPlay.
This remote is to switch between the laptop and Apple TV. Pressing 1 will switch the display to the laptop which is the primary device. Pressing 2 will switch to the Apple TV. Auto-switching means that when you plug the HDMI cable into the laptop it will take precedence over the Apple TV.