Samsung Q71 - Other Function Keys; Volume Control

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Screen Brightness Control
To adjust the LCD brightness press the Fn + ( ) key
combination or the Fn + ( ) key combination. The
changed screen brightness is displayed at the center of
the screen for a moment.
Volume Control
To control the volume, press the Fn + ( ) key
combination or the Fn + ( ) key combination.
You can mute the sound or cancel the mute function by
clicking the Fn + ( ) key combination.
Numeric Key
The numbers are printed in blue on the numeric keys.
If Num Lock is turned on by pressing the Fn + ( ) key
combination, you can use the numeric keys to enter digits.
Other Function Keys
■ Application Key ( )
Performs the right-click mouse function (touchpad).