To switch to the backup NEC projector in the Small Lecture Theatre :-
- Check that the system is switched off
- Press button 8 (NEC)
- Switch the system On as usual
- The NEC projector should start up instead of the Canon
To revert to the Canon projector in the Small Lecture :-
- Check that the system is switched off
- Check that button 8 (NEC) goes off as well
- Switch the system On as usual