1XBACKLIGHT(1)               General Commands Manual              XBACKLIGHT(1)
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NAME

6       xbacklight - adjust backlight brightness using RandR extension
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SYNOPSIS

9       xbacklight [-help]  [-display display] [-get] [-set percent] [-inc per‐
10       cent] [-dec percent]
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DESCRIPTION

13       Xbacklight is used to adjust the backlight brightness where  supported.
14       It  finds  all  outputs on the X server supporting backlight brightness
15       control and changes them all in the same way.
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17       -get   Print out the current backlight brightness of each  output  with
18              such a control. The brightness is represented as a percentage of
19              the maximum brightness supported.
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21       -set percent
22              Sets each backlight brightness to the specified level.
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24       -inc percent
25              Increases brightness by the specified amount.
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27       -dec percent
28              Decreases brightness by the specified amount.
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30       -help  Print out a summary of the usage and exit.
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32       -version
33              Print out the program version and exit.
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35       -time milliseconds
36              Length of time to spend fading the backlight between old and new
37              value.  Default is 200.
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39       -steps number
40              Number of steps to take while fading. Default is 20.
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SEE ALSO

43       Xrandr(3)
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AUTHORS

46       Keith Packard, Open Source Technology Center, Intel Corporation.
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50X Version 11                   xbacklight 1.2.3                  XBACKLIGHT(1)