Operation
Shift key
enables upper-case letters and the upper key symbols to be used.
Alt Gr
Alt Gr (e.g. German keyboard)
produces a character shown on the right-hand side of a key (e.g. the character @ on
the key
Q ).
Num
Lock
Num key
Switches the numeric key pad between the number ("Num" indicator lights up) and
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
Ctrl key
starts key combination actions. The
Ctrl key is also called "Control" or "Control
key".
Ctrl
Alt Del
Warm boot
restarts the workstation. 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.
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