Operation Manual
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On the other hand, NO is used when you do not want to set Dolby Digital audio as the default audio. 
If the program you 
are watching has AC3 and Stereo audio, Stereo audio is used. 
4 AC3 Downmix 
YES is used when you want to set the audio output to be down-mixed from AC3 to Stereo. NO is used 
when you do not want to set the audio output to be down-mixed from AC3 to Stereo. If NO is on and 
you 
are using only HDMI or SCART connection, there can be no audio sometimes, if the program that you 
are watching provides AC3 only. This option is recommended when you are using S/PDIF connection. 
B. Language Selection 
[ i: MENU > Setup > System > Language] 
A variety of languages are available for the OSD of ET 9000 . 
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