Samsung PN51E6500EFXZA - Manual (Page 206)

Economical Solutions
Eco Solution
Menu
→
System
→
Eco Solution
●
Energy Saving
Lets you adjusts the brightness of
the TV in order to reduce power
consumption. If you select Picture Off ,
the screen is turned off, but the sound
remains on. Press any button except
the volume button to turn on the
screen.