HP ProBook 4446s Notebook-PC - Manual (Page 20)

Component Description
(1) fn key Executes frequently used system functions when pressed
in combination with a function key.
(2) Operating system logo key Displays the operating system menu.
(3) Function keys Execute frequently used system functions when pressed in
combination with the
fn key. For more information, see
Keyboard and pointing devices on page 24
(4) Operating system applications key Displays a shortcut menu for items beneath the cursor.
(5) num lk key Alternates between the navigational and numeric functions
on the integrated numeric keypad.
NOTE: The keypad function that is active when the
computer is turned off is reinstated when the computer is
turned back on.
(6) Integrated numeric keypad Can be used like an external numeric keypad.
10 Chapter 2 Getting to know your computer