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Operation
Important keys and key combinations
The description of the following keys and key combinations applies to Microsoft operating systems.
Details of other keys and key combinations can be found in the documentation of the relevant
application programme.
ON/OFF switch (optional)
Depending on the setting in the BIOS Setup, the system can be switched on, off, or on
and off with this button. Some operating systems allow you to configure additional
functions of the ON/OFF switch in the Control Panel.
With some keyboards the ON/OFF switch can only be used with an ACPI (Advanced
Configuration and Power Management Interface). Otherwise the key is inoperative.
The mainboard must support this function.
Enter key
confirms the marked selection. The enter key is also referred to as the "Return" key.
Start key
calls up the Windows Start menu.
Menu key
invokes the menu for the marked item (Windows).
Shift key
enables upper-case letters and the upper key symbols to be used.
Alt Gr (e.g. German keyboard)
Alt Gr
produces a character shown on the right-hand side of a key (e.g. the character @ on
the key Q ).
Num Lock key
Num
by pressing the Num Lock key you switch between the Numeric keypad cursor
Lock
control functions and digit or comma functions.
When the Num Lock indicator is lit the digit and comma keys are active.
When the Num Lock indicator is not lit the cursor control functions are active in the
Numeric keypad.
Ctrl key
Ctrl
starts key combination actions. The Ctrl key is also called "Control" or "Control
key".
Ctrl
Alt
20
Warm boot
Del
restarts your device. Press simultaneously the keys Ctrl , Alt
+ Del . Under some operating systems the Task Manager
appears first. Then you must press all three keys again to re-
boot.
A26361-K1009-Z120-1-7619, edition 4
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