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NOTE:
Keyboard characters may differ depending on the keyboard language configuration. Keys that are used for tasks
remain the same, regardless of the keyboard language.
NOTE:
You can define the primary behavior of function keys in the Function Key Behavior menu of the BIOS setup
program.
Table 16. Secondary tasks of keyboard keys
Key combination for task
fn and F1
fn and F2
fn and F3
fn and F4
fn and F5
fn and F6
fn and F8
fn and F9
fn and F10
fn and F11
fn and F12
fn and Right Ctrl
fn and Cursor up
fn and Cursor down
Keys with alternate characters
There are other keys on your keyboard with alternate characters. The symbols that are shown at the bottom of these keys
are the main characters that are displayed when the key is pressed; the symbols that are shown at the top of these keys are
displayed when the key is pressed with the shift key. For example, if you press 2, 2 is displayed; if you press Shift and 2, @ is
displayed.
Camera
The following table lists the camera specifications of your Latitude 5540.
Table 17. Camera specifications
Description
Number of cameras
Camera type
Camera location
Camera sensor type
Camera resolution:
24
Specifications of Latitude 5540
What the task does
Operating system and application specific F1 behavior
Operating system and application specific F2 behavior
Operating system and application specific F3 behavior
Operating system and application specific F4 behavior
Operating system and application specific F5 behavior
Operating system and application specific F6 behavior
Operating system and application specific F8 behavior
Operating system and application specific F9 behavior
Operating system and application specific F10 behavior
Operating system and application specific F11 behavior
Operating system and application specific F12 behavior
Open application menu
Page up
Page down
Values
One
● FHD RGB camera
● FHD RGB + IR camera
● FHD RGB+IR camera with Ambient Light Sensor, Express
Sign-In with Presence Detection and Intelligent Privacy
Front camera
CMOS sensor technology
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