Sony KDS-50A2000 Service Manual page 184

Using the Menus
Option
Alternate Audio
Digital channels only
Speaker
Audio Out
Easy control of volume
adjustments
A/V Sync
Digital channel only
38
Description
Select among the available options to switch among the alternate audio streams. The
program you are tuned to may be broadcast in a different language in the alternate audio
streams.
✍
The Alternate Audio option is not available if the program is not broadcast with
alternate audio streams.
On Select to turn on the TV speakers.
Off
Select to turn off the TV speakers and listen to the TV's sound only
through your external audio receiver and speakers.
Variable The audio output from your audio system can be controlled by the
TV's remote control.
Fixed 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.
Off/1/2/3 Use this option to make adjustments to audio and video
synchronization when you have external equipment connected to
DIGITAL OUT of the TV. Select Off (default value) to make no
adjustments. Select 1, 2 or 3 to synchronize the video and audio from
your connected external equipment.