Sony Bravia KDL-60R550A Operating Instructions Manual page 53

Option Description
Digital Audio Out Select Auto if the device connected via DIGITAL AUDIO OUT (OPTICAL) is
compatible with Dolby Digital. Select PCM if the device is not compatible with
Dolby Digital.
• 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, Alternate Audio and Speakers by using the
OPTIONS button on the remote control.
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