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Dell Latitude 14 Rugged – 5404 Getting Started Guide

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Turning the Keyboard Backlight On/Off or Adjusting Brightness

To turn backlight On/Off or adjust the backlight brightness settings, perform the steps:
  1. Press <Fn> + <F10> (Fn key not needed if function key <Fn> lock is activated) to initialize the keyboard backlight switch.
  2. The first use of the above key combination will turn on the backlight to its lowest setting.
  3. Additional pressing of the key combinations will cycle the brightness settings through 25%, 50%,75% and 100% .
  4. Cycle through the key combination to either adjust the brightness or completely turn off the keyboard backlight.
Figure displaying the brightness gauge.

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