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CVT(1)                 DragonFly General Commands Manual                CVT(1)


NAME

       cvt - calculate VESA CVT mode lines


SYNOPSIS

       cvt [-v|--verbose] [-r|--reduced] h-resolution v-resolution [refresh]


DESCRIPTION

       Cvt is a utility for calculating VESA Coordinated Video Timing modes.
       Given the desired horizontal and vertical resolutions, a modeline
       adhering to the CVT standard is printed. This modeline can be included
       in Xorg xorg.conf(5)


OPTIONS

       refresh Provide a vertical refresh rate in Hz.  The CVT standard
               prefers either 50.0, 60.0, 75.0 or 85.0Hz.  The default is
               60.0Hz.

       -v|--verbose
               Warn verbosely when a given mode does not completely correspond
               with CVT standards.

       -r|--reduced
               Create a mode with reduced blanking.  This allows for higher
               frequency signals, with a lower or equal dotclock. Not for
               Cathode Ray Tube based displays though.


SEE ALSO

       xorg.conf(5), gtf(1)


AUTHOR

       Luc Verhaegen.

       This program is based on the Coordinated Video Timing sample
       implementation written by Graham Loveridge. This file is publicly
       available at <http://www.vesa.org/Public/CVT/CVTd6r1.xls>. CVT is a
       VESA trademark.

X Version 11                  xorg-server 1.17.4                        CVT(1)

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