Sony WEGA KLV-S19A10 Operating Instructions Manual page 50

Using the Settings
z Headphones are off when
the Speaker option is set to
Off.
z Variable in Audio Out
option is available only
when the Speaker option is
set to Off.
50
Option Description
Speaker On
Off
Audio Out Variable
Easy control of
volume
adjustments
Fixed
Select to turn on the TV speakers.
Select to turn off the TV speakers and listen to
the TV's sound only through your external audio
receiver and speakers.
The TV's speaker are turned off, and the audio
output from your audio system can still be
controlled by the TV's remote control.
The TV's speakers are turned off and 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.