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Using Your VAIO Computer
Using Special-function Buttons
Your computer is equipped with special buttons to help you use specific functions of the computer.
Special-function button
Functions
S1/S2 buttons
By default, the S1 button turns the volume on and off and the S2 button toggles the display output between
the LCD and external device. You can also link to these shortcut buttons another action that you execute
often.
See Setting Up Your Computer with VAIO Central
.