(Home) > Settings > All settings > Sound > Advanced > Auto volume
Select AVL to automatically level out sudden volume differences. Typically when you are switching channels. Select Night mode for a more comfortable quiet listening experience.
(Home) > Settings > All settings > Sound > Advanced > Delta volume
The Delta volume setting can be used to adjust to balance the sound level difference between the TV channel and the HDMI source input. Press the arrows (up) or (down) to adjust the delta value for TV speaker volume.
* Note: Delta volume is available when the input source is set to HDMI or Analogue sources and the Audio out is set to TV speakers or HDMI sound system.