Sony WEGA KDE-37XS955 Operating Instructions Manual page 97

Select the video input (TV, Video i-6) you want to use the TV's
speakers as the center speaker.
.... This option can be set when the option is set
to . Select , if the sound fi'om the TV's speaker (as
the center speaker) sounds unnatural. The default setting is
This option can be set only when the .... option is set to
Easy control of .
vohtme The TV's speakers are turned o1I\ but the audio
ac[iltstme_ts output l_om your audio system can still be
controlled by the TV's remote control.
The TV's speakers are turned offand the audio
output of the TV is fixed. Use your audio
receiver's remote control to adjust the volume
(and other audio settings) through your audio
system.
Select to tuna on the TV speakers.
Select to turn offthe TV speakers and listen to the
TV's sound only through your external audio
receiver and speakers.