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xgamma(1)										xgamma(1)

       xgamma - Alter a monitor's gamma correction for XFree86

       xgamma  [-display display] [-screen screen] [-quiet] [-gamma f.f | [[-rgamma f.f] [-ggamma
       f.f] [-bgamma f.f]]]

       xgamma allows X users to query and alter the gamma correction of a monitor via the XFree86
       X server video mode extension (XFree86-VidModeExtension).

       -display display
	       This argument allows you to specify the server to connect to; see X(7x).

       -screen screen
	       When  multiple  displays  are  configured as a single logical display, this option
	       allows you to select the screen you wish to change.

       -quiet  Silence the normal output of xgamma

       -help   Print out the `Usage:' command syntax summary.

       -gamma f.f
	       The gamma correction can either be defined as a single value,  or  separately  for
	       the  red,  green and blue components. This argument specifies the gamma correction
	       as a single value. If no value for the gamma correction is  given  xgamma  returns
	       the current gamma correction of the display.

       -rgamma f.f
	       This argument specifies the red component of the gamma correction.

       -ggamma f.f
	       This argument specifies the green component of the gamma correction.

       -bgamma f.f
	       This argument specifies the blue component of the gamma correction.

       DISPLAY To get default host and display number.

       This  client  changes the internal values of the gamma correction for the Xserver. Whether
       or not these values are respected depends on the video drivers.

       The gamma values are passed to the Xserver with 3 decimal places of accuracy.


       Kaleb S. Keithley, X Consortium.
       David Dawes, David Bateman

XFree86 			      Version Version 4.3.0				xgamma(1)
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