Toshiba Satellite Pro 6000 Series - Manual (Page 255)

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Appendix B
Hot Keys
Hot keys are keys that, when pressed in combination with the Fn
key, turn system functions on and off. Hot keys have a legend on
or above the key indicating the option or feature the key controls.
Volume Mute
Fn + This hot key enables/disables volume mute on your
computer.
When volume mute is enabled, no sound will come from
the speakers or headphones.