Audio Description (digital channels only)This is an auxiliary audio function that provides an additional audio track for visually challenged persons. This function handles theAudio Stream for the AD (Audio Description), when it is sent along with the Main audio from the broadcaster. Users can turn theAudio Description On or Off and control the volume.Audio Description → Off / OnTurn the audio description function on or off.VolumeYou can adjust the audio description volume.Volume is active when Audio Description is set to On.Auto Volume → Off / OnEach broadcasting station has its own signal conditions, and so it is not easy to adjust the volume every time the channel ischanged. This feature lets you automatically adjust the volume of the desired channel by lowering the sound output when themodulation signal is high or by raising the sound output when the modulation signal is low.Speaker Select → External Speaker / TV SpeakerIf you want to hear the sound through separate speakers, cancel the internal amplifier.The volume and MUTE buttons do not operate when the Speaker Select is set to External Speaker.If you select External Speaker in the Speaker Select menu, the sound settings will be limited.Sound Reset → Reset All / Reset Sound Mode / CancelYou can restore the Sound settings to the factory defaults.Selecting the Sound ModeYou can set the sound mode in the Tools menu. When you set to Dual l ll, the current sound mode is displayed on the screen.Audio Type Dual 1 / 2 DefaultA2 StereoMono MONO Automatic changeStereo STEREO ↔ MONODual DUAL 1 ↔ DUAL 2 DUAL 1NICAMStereoMono MONO Automatic changeStereo MONO ↔ STEREODual MONO ↔ DUAL 1DUAL 2 DUAL 1If the stereo signal is weak and an automatic switching occurs, then switch to the mono.This function is only activated in stereo sound signal. It is deactivated in mono sound signal.This function is only available in TV mode.❑N❑❑NN❑¦NNN