BD WiseScreen Menu > System > General > BD Wise Try NowConnecting a Samsung DVD player, Blu-ray player, or home theatre system that supports BD Wiseenables you to enjoy the richest colours and picture quality possible. Enabling BD Wise automaticallyoptimizes the TV's resolution. This feature is only available when the external device is connected viaan HDMI cable.Menu TransparencyScreen Menu > System > General > Menu Transparency Try NowAdjust the menu screen's transparency.Sound FeedbackScreen Menu > System > General > Sound Feedback Try NowAdjust the sound feedback volume or disable it entirely. Sound feedback is an audio cue that playswhen you move the focus or make a selection.Panel LockingScreen Menu > System > General > Panel Lock Try NowLock or unlock all the keys on the front panel. The panel keys are located at the back of the TV andcan be used to select options, to change the channel, and to adjust the volume.