- 115 -Advanced settingsMENU Menu > SoundSurround(On/Off)Enhances audio L/R response when listening to stereo.Ideal for music and action movies.● Gray-out when using Home Theater.TV speakers(On/Off)Enables the TV’s built-in speakers.Switches to Off when using external speakers.A.I. sound(On/Off)Equalizes overall volume levels across all channels and external inputs.● Gray-out when using Home Theater.Volume leveler(+/-6)Minimizes volume disparity after switching to external inputs.● Gray-out when using Home Theater.Distance to wall(Over 1ft (30cm)/Up to 1ft (30cm))Setting for wall mounted TV.Over 1ft (30cm):TV is on a stand. Keeps current setup.Up to 1ft (30cm):TV is mounted. Reduces low frequency level to prevent resonance.● Gray-out when using Home Theater.