[. . . ] [. . . ] Please read this manual carefully before operating your set and retain it for future reference. Please read this manual carefully before operating your set and retain it for future reference. Symptoms which require discontinuation or refraining from watching 3D contents yy Doynotywatchy3Dycontentsywhenyyouyfeelyfatigueyfromylackyofysleep, yoverworkyorydrinking. Using the Kensington security system (Thisyfeatureyisynotyavailableyforyallymodels. [. . . ] [. . . ]