Sony PCG-GRT270G - Manual (Page 28)

Using Audio-Video Features
Using Special Buttons
Depending on the model you purchased, your VAIO ® computer is equipped with a variety of audio- and video-oriented
function buttons: Volume Up and Down, Channel Up and Down, TV On, Brightness, and Magnify screen. Only models
equipped with a TV tuner and GigaPocket software will feature TV functionality; not all models feature TV functionality.
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