Why does my Philips Screeneo turn itself off?

The Device has a power save mode and sleep mode function; you need to disable these two functions in the menu. Please follow the steps below:

1. Press the Home button on your remote control.
2. Go to Settings.
3. Select System settings.
4. Go to Sleep mode and select Off.
5. Go to Auto power mode and select Off.
6. Press the Home button to return to the main menu.