27TV Operation and System SetupSound SettingPress the MENU button once to enter CHANNEL setupmenu and press the ▲▼ button to select SOUND, thescreen will display as shown.Press the ENTER or ► button to enter the menu.In the SOUND setup menu, press the ▲▼ button toselect the desired item.Press the MENU button to return to the previous menu.Press the EXIT button to exit.Sound ModePress the ▲▼ button to select Sound Mode and press the ◄► button to select Standard, Music, Movie,Sports or User.Note: The items Treble and Bass are only available when Sound Mode is set to User.TreblePress the ▲▼ button to select Treble and press the ◄► button to adjust the level.BassPress the ▲▼ button to select Bass and press the ◄► button to adjust the level.BalancePress the ▲▼ button to select Balance and press the ◄► button to adjust the level.Auto VolumeSome times different TV stations volume level may be different from each other, this function willmornalise audio level form all channels.Press the ▲▼ button to select Auto Volume and press the ◄► button to select On or Off.SPDIF OutputPress the ▲▼ button to select SPDIF Output and press the ◄► button to select Off, AC3 or PCM.AD (Audio Description) SwitchPress the ▲▼ button to select AD Switch and press the ◄► button to select On or Off.AD VolumePress the ▲▼ button to select AD Volume and press the ◄► button to adjust the level.Note: AD Volume is only available when AD Switch is set to On.