HP ProBook 455 G1 Notebook PC - Manual (Page 38)

Using keypads
The computer includes an embedded numeric keypad or an integrated numeric keypad. The
computer also supports an optional external numeric keypad, or an optional external keyboard that
includes a numeric keypad.
Using the embedded numeric keypad (select models only)
Component Description
(1) fn key Turns the embedded numeric keypad on and off when pressed
in combination with the num lk key.
NOTE: The embedded numeric keypad will not function while
an external keyboard or numeric keypad is connected to the
computer.
(2) Embedded numeric keypad When the keypad is turned on, it can be used like an external
numeric keypad.
Each key on the keypad performs the function indicated by the
icon in the upper-right corner of the key.
(3) num lk key Turns the embedded numeric keypad on and off when pressed
in combination with the fn key.
NOTE: The keypad function that is active when the computer is
turned off is reinstated when the computer is turned back on.
28 Chapter 4 Navigating using the keyboard, touch gestures and pointing devices