White Text on Black Background (High Contrast)MENU > System > Accessibility > High ContrastNavigate to System > Accessibility and set High Contrast to On. This option changes major servicescreens to white text on a black background or changes the transparent TV menus to opaque so thattext can be read more easily.Expanding the Smart Hub's Focus AreaMENU > System > Accessibility > Enlarge Try NowNavigate to System > Accessibility and set Enlarge to On. This zooms in the focused item when youuse Smart Hub and makes the item larger.Locking/Unlocking the Panel KeysMENU > System > General > Panel Lock Try NowUse to lock and unlock the TV's front panel buttons (menu, channel, and volume) and the control stickon the back of the TV. Select System > General > Panel Lock and lock/unlock the keys.Showing/Hiding the Samsung Logo while BootingMENU > System > General > Boot Logo Try NowUse to enable or disable the Samsung logo display that appears when the TV starts up.Enabling Game ModeMENU > System > General > Game Mode Try NowGame Mode optimizes the TV's settings for playing video games on a gaming console such asPlayStation™ or Xbox™." Game Mode cannot be used for normal TV viewing." Connect the gaming console before enabling Game Mode. Otherwise, the picture quality may suffer." The screen may shake a little." Enabling Game Mode automatically sets the Picture Mode to Standard and the Sound Mode to Movie." To use a different external device, first disconnect the game console and disable Game Mode.