Combined Room:
Turn the projectors on with the remote.
Log into the Primary computer (front right)
The wall should be pushed back then the sensor on the ceiling is green.
Separate Rooms:
Turn the projectors on with the remote
Log into each computer
Pull the wall out
The sensor on the ceiling will turn orange
If the computers are already on, the left front screen will flicker and then show each screen separately in reference to what each computer is showing.