Sony VAIO VGCRB40 - Manual (Page 166)

 Visual and Sound Effects — Select options for transition animation, Media Center sound effects, and video
background color.
1. Use the arrow buttons on the remote control to enable or disable an option.
A check mark indicates that the option is enabled.
2. For video background color, use -/+ to locate your color choice.
3. Select Save and the press OK.
Media Center — Settings: More Program Options
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