Dell Latitude 5424 Rugged Service Manual page 15

Changing the keyboard backlight color
To change the keyboard backlight color:
1. To cycle through the available backlight colors press Fn+C keys .
2. White, Red, Green and Blue are active by default; up to two custom colors can be added to the cycle in the System Setup
(BIOS).
Customizing the backlit keyboard in System Setup (BIOS)
1. Turn off the computer.
2. Turn on the computer and when the Dell logo appears, press the F2 key repeatedly to bring up the System Setup menu.
3. Under System Configuration menu, select RGB Keyboard Backlight.
You can enable/disable the standard colors (White, Red, Green and Blue).
4. To set a custom RGB value, use the input boxes on the right side of the screen.
5. Click Apply changes and click Exit to close System Setup.
Function Fn key lock features
NOTE: The keyboard has Function key Fn lock capability. When activated, the secondary functions on the top row of keys
become default and will not require use of the Fn key.
Figure 1. Fn key callouts
1. Fn lock key
2. Affected Fn keys
3. Fn key
NOTE: Fn lock affects only the above keys (F1 to F12). Secondary functions will not require the Fn key to be pressed while
enabled.
Technology and components 15