InFocus Work Big IN12 Reference Manual page 12

To configure the "Option Settings 1
1
Press the [ESC] key.
2
Press the [ ] key three times to select "Option Settings 1".
3
Press the [ENTER] key.
4
Press the [ ] key three times to select "Eco Mode".
5
Use the [ ] and [ ] keys to select "On" or "Off".
6
After you are finished, press the [MENU] key to exit the setup menu.
Eco Mode" setting
11