Sony BRAVIA KDL-55BX520 Operating Instructions Manual page 32

Option
Alternate Audio
Digital channels only
Speakers
• MTS Audio is only available for analog programs.
• Alternate Audio is only available if the program is broadcast with alternate audio streams.
• You can also access Sound Mode, MTS Audio and Alternate Audio by using the OPTIONS
button on the remote control.
32
Description
Select among the available options to switch among the alternate audio streams. The
program you are tuned to may be broadcasted in a different language in the alternate
audio streams.
TV Speakers Select to use the TV speakers.
Audio System Select to use an external audio system for the TV sound. By
selecting this option you are disabling the TV speakers.