Sony PlayStation 2 Mode D'emploi page 34

Audio Track Auto Select Mode
This setting gives priority to the audio track that contains the highest
number of channels when you play a DVD on which multiple audio
formats (PCM, Dolby Digital, DTS or MPEG) are recorded. If PCM,
Dolby Digital, DTS and MPEG have the same number of channels, the
console selects PCM, Dolby Digital, DTS and MPEG audio tracks in that
order.
On Priority given
Off No priority given
Notes
• If you set "DTS" to "Off" in "Audio Digital Out" (
track is not played.
• Depending on the DVD, the audio channel with priority may be predetermined. In
this case, the audio track will be selected based on the DVD's order of priority.
DVD Volume
You can set this option if the audio output level of the DVD is low. You
can set this only when "Digital Out (Optical)" is set to "Off" in "Audio
Digital Out"
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+2 Turns up the volume (maximum)
+1 Turns up the volume
Standard Normally select this option.
Caution
If you set this option to "+1" or "+2", the sound may become distorted. If this
happens, change the setting to "Standard". Also note that if you set the volume
too high, it may harm your hearing or damage the speakers.
34 Adjusting DVD player settings
page 33), the DTS audio
.