When the keypad or the touch panel (GUI) has been untouched for a given period of time you can activate certain functions or sequences.
The timer can be configured and you can add more events to your needs.
So imagine having a room where you configure the idle timer to 6 hours and add a "press button" function, that presses your power off button. You have then created a system that turns off automatically, when not used. A greener solution so to say.
Many schools, where the vacations are long you will save the schools projector lamp budget quite a lot in the long term.
