Some keys on your keyboard have two symbols on them. These keys can be used to type alternate characters or to perform
secondary functions. The symbol that is shown on the lower part of the key refers to the character that is typed out when the
key is pressed. If you press shift and the key, the symbol that is shown on the upper part of the key is typed out. For example, if
you press 2, 2 is typed out; if you press Shift + 2, @ is typed out.
The keys F1-F12 at the top row of the keyboard are function keys for multimedia control, as indicated by the icon on the key.
Press the function key to enable the task represented by the icon. For example, pressing F1 mutes the audio (see the table
below).
However, if the function keys F1-F12 are needed for specific software applications, multimedia functionality can be disabled by
pressing
Fn + Esc. Later, multimedia control can be invoked by pressing Fn and the respective function key. For example, mute
audio by pressing Fn + F1.
NOTE: You can also define the primary behavior of the function keys (F1–F12) by changing Function Key Behavior in the
BIOS setup program.
Table 14. Function key primary behavior
Function key Primary behavior
F1 Mute or unmute audio
F2 Decrease volume
F3 Increase volume
F4 Mute or unmute microphone
F5 Change the brightness of backlit keyboard (for backlit keyboard only)
F6 Decrease display brightness
F7 Increase display brightness
F8 Switch to external display
F9 Not applicable
F10 Print screen
F11 Home
F12 End
The Fn key is also used with selected keys on the keyboard to invoke secondary functions.
Table 15.
Secondary behavior
Function key Secondary behavior
Fn + F1 Operating system and application-specific F1 behavior
Fn + F2 Operating system and application-specific F2 behavior
Fn + F3 Operating system and application-specific F3 behavior
Fn + F4 Operating system and application-specific F4 behavior
Fn + F5 Operating system and application-specific F5 behavior
Fn + F6 Operating system and application-specific F6 behavior
Fn + F7 Operating system and application-specific F7 behavior
Fn + F8 Operating system and application-specific F8 behavior
Fn + F9 Operating system and application-specific F9 behavior
Fn + F10 Operating system and application-specific F10 behavior
Fn + F11 Operating system and application-specific F11 behavior
Fn + F12 Operating system and application-specific F12 behavior
Fn + Copilot Operating system Context menu behavior.
20 Specifications of Dell Pro 16 Plus
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