Auto VolumeScreen Menu > Sound > Speaker Settings > Auto Volume Try NowBecause each station has its own set of broadcasting conditions, the volume may fluctuate as thechannel changes. The Auto Volume function automatically adjusts the volume of a channel by loweringor raising the sound output. Normal applies a normal level of volume adjustment, whereas Nightapplies a slightly lower volume level than Normal and is ideal for nighttime TV viewing. To use thevolume control of a connected source device, deactivate the Auto Volume function. When using theAuto Volume function with a source device, the device’s volume control may not function properly.3D AudioScreen Menu > Sound > 3D AudioThis function is available only with PDP 5500 series and LED 6400 series or higher.This TV can make the sound more immersive to match it with 3D video.When watching 3D video, open the Sound menu, choose 3D Audio, and then choose a 3D sound level.TV Installation TypeScreen Menu > Sound > Speaker Settings > TV Installation Type Try NowThis TV can produce slightly different sound according to how the TV is installed. Choose either Standor Wall Mount.Resetting the SoundScreen Menu > Sound > Reset Sound Try NowThis resets all sound settings to the factory defaults.
