Section: User Commands (1)
Updated: xbacklight 1.2.3
xbacklight - adjust backlight brightness using RandR extension
[-help] [-display display
is used to adjust the backlight brightness where supported. It finds all
outputs on the X server supporting backlight brightness control and changes
them all in the same way.
Print out the current backlight brightness of each output with such a
control. The brightness is represented as a percentage of the maximum
- -set percent
Sets each backlight brightness to the specified level.
- -inc percent
Increases brightness by the specified amount.
- -dec percent
Decreases brightness by the specified amount.
Print out a summary of the usage and exit.
Print out the program version and exit.
- -time milliseconds
Length of time to spend fading the backlight between old and new value.
Default is 200.
- -steps number
Number of steps to take while fading. Default is 20.
Open Source Technology Center, Intel Corporation.