There are some service menus available on the Panasonic AX200 projector. To access them, use the following key combinations. Note, adjust things at your own risk!
Service Menu 1 - Power (btn), right (btn), up (btn), down (btn), up (btn), down (btn), enter (btn) Service Menu 2 - Menu (btn), option (sel), input guide (sel), enter (btn, 5 sec hold)
Also, another helpful one is to reset all attached displays on Mac OS X:
Ctrl-Shift-Eject