Hp EliteBook 840 G3 Manuel d'utilisateur télécharger pdf (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 o and power is conserved.

To exit Sleep, briey press the power button.

CAUTION: To reduce the risk of information loss, save your work before initiating Sleep.

Turns the backlight keyboard o or on.

NOTE: To conserve battery power, turn o 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

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Hp EliteBook 840 G3 Manuel d'utilisateur Page 24