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16
Indicator lights
Combinations and functions with the Fn key
Light On Off
Num Lock The number keys in the numeric
keypad are active.
The alphanumeric character keys
in the keypad area are active.
Caps Lock The letters appear in uppercase as
you type. The Shift key lowers the
case of typed letters when Caps
Lock is on.
Letters appear in lower case as
you type (unless you hold down
the Shift key).
Scroll LockThe screen scrolls differently.
(Exactly how it scrolls depends on
the specific application. It has no
effect in many applications.)
Information moves across the
display normally.
✍ If you switch user identities during a computing session, the Fn+F7 and Fn+F8 key
functionality (if available on your computer) will be interrupted. To switch to an
external display or monitor, see “Selecting the Display Mode” for more information.
Combinations/
Feature Function
Fn+ (F3)
Mute On/Off
Toggl es the built-in speaker off and on.
Fn+ (F4)
Speaker volume
Adjusts the built-in speaker vol ume.
To increase volume, press Fn+F4, then or .
To decrease volume, press Fn+F4, then or .
Fn+ (F5)
Brightness control
Adjusts the brightness of the LCD.
To increase light in tensity, press Fn+F5 and then or .
To decrease light intensity, press Fn+F5 and then or .