The room Apple TV name is [School]-[Room Number] E.g. CED-005

By utilizing the Source Search button on your projector's remote, you can easily switch between your Apple TV and your desktop.

This is the remote that comes with the Apple TV. 

The power button located at the upper-right corner of the remote is the only button you'll need. At times, the Apple TV may enter sleep mode, and you'll need to use the power button to wake it up.

Periodically, you'll need to charge the remote using a USB Type-C cable. The battery is expected to endure for a few months.

The process for connecting to the Apple TV is identical to the one you used when connecting to your Ayncast or Airtame.

Remember that the name of the device has changed and that you are looking for [School]-[Room Number]