HP ProBook 4330S Notebook-PC - Manual (Page 36)

Using an optional external numeric keypad
Keys on most external numeric keypads function differently according to whether num lock is on or
off. (Num lock is turned off at the factory.) For example:
● When num lock is on, most keypad keys type numbers.
● When num lock is off, most keypad keys function like the arrow, page up, or page down keys.
When num lock on an external keypad is turned on, the num lock light on the computer is turned on.
When num lock on an external keypad is turned off, the num lock light on the computer is turned off.
To turn num lock on or off on an external keypad as you work:
▲ Press the num lk key on the external keypad, not on the computer.
Using the TouchPad
To move the pointer, slide one finger across the TouchPad in the direction you want the pointer to go.
Use the left and right TouchPad buttons like the buttons on an external mouse. To scroll up and down
using the TouchPad vertical scroll zone, slide your finger up or down over the lines.
NOTE: If you are using the TouchPad to move the pointer, you must lift your finger off the
TouchPad before moving it to the scroll zone. Simply sliding your finger from the TouchPad to the
scroll zone does not activate the scrolling function.
NOTE: In addition to the pointing devices included with your computer, you can use an external
USB mouse (purchased separately) by connecting it to one of the USB ports on the computer.
Turning the TouchPad off and on
To turn the TouchPad off and on, quickly double-tap the TouchPad light.
NOTE: The TouchPad light is off when the TouchPad is on.
26 Chapter 4 Keyboard and pointing devices