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XBACKLIGHT(1)		    General Commands Manual		 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.

       -version
	      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.

SEE ALSO
       Xrandr(3)

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

X Version 11		       xbacklight 1.2.3			 XBACKLIGHT(1)

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