...
Plug in your laptop
The laptop connection will charge your device, allow you to display content to the projector, and connect the microphone and camera to your device directly.
The camera and projector should auto-detect your device and power on.
Turn and put on the lapel microphone
The input levels can be seen on the belt pack (or the receiver? we will need to confirm this) to confirm that it is picking up your voice.
...