Sony VGN-TT230N User Manual page 46

❑ Do not place your computer into either of the power saving modes while your computer is playing a disc.
❑ Region code indicators are labeled on the discs or packages to indicate in which region and on what type of player you
can play the disc. If the region code indicates "all," you can play this disc in most regions of the world. If the region code
for your residence area is different from the label, you cannot play the disc on your computer.
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Using Your VAIO Computer