43 lines
1.2 KiB
Groff
43 lines
1.2 KiB
Groff
.\" $XFree86$
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.TH CVT 1 __vendorversion__
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.SH NAME
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cvt - calculate VESA CVT mode lines
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.SH SYNOPSIS
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.B cvt
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.RB [ \-v | \-\-verbose ]
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.RB [ \-r | \-\-reduced ]
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.I h-resolution
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.I v-resolution
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.RB [ refresh ]
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.SH DESCRIPTION
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.I Cvt
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is a utility for calculating VESA Coordinated Video Timing modes. Given the
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desired horizontal and vertical resolutions, a modeline adhering to the CVT
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standard is printed. This modeline can be included in __xservername__
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.B __xconfigfile__(__filemansuffix__)
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.
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.SH OPTIONS
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.TP 8
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.BR refresh
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Provide a vertical refresh rate in kHz. The CVT standard prefers either 50.0,
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60.0, 75.0 or 85.0kHz. The default is 60.0kHz.
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.TP 8
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.BR \-v | \-\-verbose
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Warn verbosely when a given mode does not completely correspond with CVT
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standards.
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.TP 8
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.BR \-r | \-\-reduced
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Create a mode with reduced blanking. This allows for higher frequency signals,
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with a lower or equal dotclock. Not for Cathode Ray Tube based displays though.
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.SH "SEE ALSO"
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__xconfigfile__(__filemansuffix__)
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.SH AUTHOR
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Luc Verhaegen.
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.PP
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This program is based on the Coordinated Video Timing sample
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implementation written by Graham Loveridge. This file is publicly
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available at <http://www.vesa.org/Public/CVT/CVTd6r1.xls>. CVT is a
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VESA trademark.
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