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Operation
Important keys and key combinations
The following description of keys and key combinations refers to MS Windows. 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.
On some keyboards the ON/OFF switch can only be used with ACPI. 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 key
Num
Switches the numeric key pad between the number ("Num" indicator lights up) and
Lock
the editing modes ("Num" indicator does not light up).
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
starts key combination actions. The Ctrl key is also called "Control" or "Control
Ctrl
key".
Ctrl
Alt
22
Warm boot
restarts the PC. Press simultaneously the keys Ctrl , Alt +
Del
Del . Under some operating systems the Task Manager
appears first. Then you must press all three keys again to re-
boot.
A26361-K675-Z120-1-7619, edition 3
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