2. Audio menuDescriptionOSD MenuSound Mode: Select your desired audio mode : Standard, Music, Theater, User.Bass: Adjust the bass (low frequency audio).Treble: Adjust the treble (high frequency audio).Balance: Left and right stereo audio channels balance.Surround sound: Activate or deactivate the surround sound function.16Audio Language: Select the audio language.Auto Volume Level (AVL): Activate or deactivate the auto volume level control.Digital Audio Output: Select from PCMǃRaw or off.