Using keypads, Using an optional external numeric keypad – HP Compaq 435 Notebook PC User Manual
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Icon
Key
Description
f4
Switches the screen image among display devices connected to the system. For
example, if a monitor is connected to the computer, pressing this key alternates the
screen image from computer display to monitor display to simultaneous display on
both the computer and the monitor.
Most external monitors receive video information from the computer using the external
VGA video standard. The
switch screen image
key can also alternate images among
other devices that are receiving video information from the computer.
f5
Opens the default Web browser.
f6
Plays the previous track of an audio CD or the previous section of a DVD or a BD.
f7
Plays, pauses, or resumes a track of an audio CD or a section of a DVD or a BD.
f8
Plays the next track of an audio CD or the next section of a DVD or a BD.
f9
Decreases speaker volume incrementally when you hold down this key.
f10
Increases speaker volume incrementally when you hold down this key.
f11
Mutes or restores speaker sound.
f12
Turns the wireless feature on or off.
NOTE:
This key does not establish a wireless connection. To establish a wireless
connection, a wireless network must also be set up.
Using keypads
The computer supports an optional external numeric keypad or an optional external keyboard that
includes a numeric keypad.
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.
20
Chapter 4 Keyboard and pointing devices