xbacklight man page on Knoppix

xbacklight man page on Knoppix

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XBACKLIGHT(1)							 XBACKLIGHT(1)

NAME
       xbacklight - adjust backlight brightness using RandR extension

SYNOPSIS
       xbacklight [-help]  [-display display] [-get] [-set percent] [-inc per‐
       cent] [-dec percent]

DESCRIPTION
       Xbacklight 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.

       -get   Print out the current backlight brightness of each  output  with
	      such a control. The brightness is represented as a percentage of
	      the maximum brightness supported.

       -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.

       -help  Print out a summary of the usage 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.

SEE ALSO
       Xrandr(3)

AUTHORS
       Keith Packard, Open Source Technology Center, Intel Corporation.

X Version 11		       xbacklight 1.1.2			 XBACKLIGHT(1)

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