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User’s Manual 5-4
The Keyboard
Output Pressing Fn + F3 changes the active display
device.
Mute Pressing Fn + F6 turns sound on or off. When
you press these hot keys, the current setting will
be displayed as an icon.
Silent Mode Pressing Fn + F8can activact the intelligent
control of the CPU clock and voltage, adjusting
fan noise effectively and extending battery
power.
Brightness down Pressing Fn + F9 decreases the computer’s
display panel brightness in individual steps.
Brightness up Pressing Fn + F10 increases the computer’s
display panel brightness in individual steps.
Speaker down Pressing Fn + 1 decreases the speaker volume
in individual steps.
Speaker Up Pressing Fn + 2 increases the speaker volume in
individual steps.