74 lines
1.9 KiB
Groff
74 lines
1.9 KiB
Groff
.TH REDSHIFT: "1" "August 2010" "redshift" "User Commands"
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.SH NAME
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redshift \- Set color temperature of display according to time of day.
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.SH SYNOPSIS
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.B redshift
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\fI-l LAT:LON -t DAY:NIGHT \fR[\fIOPTIONS\fR...]
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.SH DESCRIPTION
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.B redshift
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adjusts the color temperature of your screen according to your
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surroundings. This may help your eyes hurt less if you are working in
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front of the screen at night.
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The color temperature is set according to the position of the sun. A
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different color temperature is set during night and daytime. During
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twilight and early morning, the color temperature transitions smoothly
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from night to daytime temperature to allow your eyes to slowly
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adapt.
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.SH OPTIONS
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.TP
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\fB\-h\fR
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Display this help message
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.TP
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\fB\-v\fR
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Verbose output
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.TP
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\fB\-g\fR R:G:B
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Additional gamma correction to apply
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.TP
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\fB\-l\fR LAT:LON
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Your current location
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.TP
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\fB\-l\fR PROVIDER
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Select provider for automatic location updates
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(Type `list' to see available providers)
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.TP
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\fB\-m\fR METHOD
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Method to use to set color temperature
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(Type `list' to see available methods)
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.TP
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\fB\-o\fR
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One shot mode (do not continously adjust color temperature)
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.TP
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\fB\-x\fR
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Reset mode (remove adjustment from screen)
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.TP
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\fB\-r\fR
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Disable temperature transitions
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.TP
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\fB\-t\fR DAY:NIGHT
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Color temperature to set at daytime/night
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.PP
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Default values:
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.IP
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Daytime temperature: 5500K
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Night temperature: 3700K
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.SH EXAMPLE
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Example for Copenhagen, Denmark:
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.IP
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$ redshift -l 55.7:12.6 -t 5700:3600 -g 0.8 -m vidmode -v
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.SH AUTHOR
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.B redshift
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was written by Jon Lund Steffensen <jonlst@gmail.com>.
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.PP
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Both
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.B redshift
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and this manual page are released under the GNU General Public
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License, version 3.
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.SH BUGS
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Please report bugs to <https://bugs.launchpad.net/redshift>
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.SH KNOWN ISSUES
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Redshift won’t affect the color of your cursor when your graphics driver
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is configured to use hardware cursors. Some graphics drivers have an
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option to disable hardware cursors in xorg.conf.
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