HP EliteBook 840 G3 - Manual (Page 24)

Component Description
(1) esc key Displays system information when pressed in combination with
the fn key.
(2) fn key Executes frequently used system functions when pressed in
combination with a function key, the num lock key, or the esc
key.
See Using the hot keys on page 14
(3) Windows key Opens the Start menu.
NOTE: Pressing the Windows key again will close the Start
menu.
(4) num lock key Alternates between the navigational and numeric functions on
the integrated numeric keypad.
(5) Integrated numeric keypad A separate keypad to the right of the alphabet keyboard that
enables you to add, subtract, and perform other numeric tasks.
When num lock is on, the integrated keypad can be used like an
external numeric keypad.
Using the hot keys
To use a hot key:
▲ Press the fn key, and then press the correct function key represented by the icons below.
Press fn +function key Description
Initiates Sleep, which saves your information in system memory. The display and other system components
turn off and power is conserved.
To exit Sleep, briefly press the power button.
CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.
Turns the backlight keyboard off or on.
NOTE: To conserve battery power, turn off this feature.
Switches the screen image among display devices connected to the system. For example, if a monitor is
connected to the computer, repeatedly pressing fn + f4 alternates the screen image from computer display to
monitor display to simultaneous display on both the computer and the monitor.
14 Chapter 2 Components