136 lines
5.2 KiB
Groff
136 lines
5.2 KiB
Groff
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.\" $XdotOrg: $
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.\"
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.\" Copyright \(co Digital Equipment Corporation, 1996
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.\"
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.\" Permission to use, copy, modify, distribute, and sell this
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.\" documentation for any purpose is hereby granted without fee,
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.\" provided that the above copyright notice and this permission
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.\" notice appear in all copies. Digital Equipment Corporation
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.\" makes no representations about the suitability for any purpose
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.\" of the information in this document. This documentation is
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.\" provided ``as is'' without express or implied warranty.
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.\"
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.\" Copyright 1999, 2005 Sun Microsystems, Inc. All Rights Reserved
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.\"
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.\" Permission is hereby granted, free of charge, to any person obtaining a
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.\" copy of this software and associated documentation files (the "Software"),
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.\" to deal in the Software without restriction, including without limitation
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.\" the rights to use, copy, modify, merge, publish, distribute,
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.\" sublicense, and/or sell copies of the Software, and to permit persons
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.\" to whom the Software is furnished to do so, subject to the following
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.\" conditions:
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.\"
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.\" The above copyright notice and this permission notice shall be
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.\" included in all copies or substantial portions of the Software.
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.\"
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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.\" EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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.\" IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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.\"
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.\" Except as contained in this notice, the names of the copyright holders
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.\" shall not be used in advertising or otherwise to promote the sale, use
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.\" or other dealings in this Software without prior written authorization
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.\" from said copyright holders.
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.\"
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.\" X Window System is a trademark of The Open Group.
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.\"
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.TH DPMSSetTimeouts __libmansuffix__ __xorgversion__ "X FUNCTIONS"
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.SH NAME
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DPMSSetTimeouts \- permits applications to set the timeout values
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used by the X server for DPMS timings
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.SH SYNOPSIS
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.PP
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.nf
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\fBcc\fR [ \fIflag\fR \&.\&.\&. ] \fIfile\fR \&.\&.\&. -\fBlXext\fR [ \fIlibrary\fR \&.\&.\&. ]
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\&#include <X11/extensions/dpms.h>
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.HP
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.B Status DPMSSetTimeouts
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(
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.br
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Display *\fIdisplay\fP\^,
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.br
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CARD16 \fIstandby\fP\^,
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.br
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CARD16 \fIsuspend\fP\^,
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.br
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CARD16 \fIoff\fP\^
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);
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.if n .ti +5n
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.if t .ti +.5i
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.SH ARGUMENTS
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.TP
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.I display
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Specifies the connection to the X server
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.TP
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.I standby
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Specifies the new standby timeout in seconds
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.TP
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.I suspend
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Specifies the new suspend timeout in seconds
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.TP
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.I off
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Specifies the new off timeout in seconds
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.SH DESCRIPTION
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.LP
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The DPMSSetTimeouts function permits applications to set the timeout values
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used by the X server for Display Power Management Signaling (DPMS) timings.
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.LP
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The value \fIstandby\fP is the amount of inactivity time, in seconds, before
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standby mode is invoked. The actual
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effects of this mode are dependent on the characteristics of the monitor and
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frame buffer card. Standby mode is
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implemented by shutting off the horizontal sync signal, and pulsing the vertical
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sync signal. Standby mode
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provides the quickest monitor recovery time. Note also that many monitors
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implement this mode identical to
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suspend mode. A value of zero disables the standby mode.
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.LP
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The value \fIsuspend\fP is the amount of time of inactivity, in seconds, before
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the second level of power
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savings is invoked. Suspend mode's physical and electrical characteristics are
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implementation defined. For DPMS
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compliant hardware, setting the suspend mode is implemented by pulsing the
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horizontal sync signal and
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shutting off the vertical sync signal. In general, suspend mode recovery is
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considered to be slower than
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standby mode, but faster than off mode. However it may vary from monitor to
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monitor. As noted above, many
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monitors implement this mode identical to the standby mode. A value of zero
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disables this mode.
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.LP
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The value \fIoff\fP is the amount of time of inactivity,in seconds, before the
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third and final level of power
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savings is invoked. Off mode's physical and electrical characteristics are
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implementation defined. In DPMS
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compliant hardware, it is implemented by shutting off both horizontal and
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vertical sync signals, resulting in
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powering down of the monitor. Recovery time is implementation dependent.
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Usually the recovery time is very
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close to the power-up time of the monitor. A value of zero disables this mode.
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.LP
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Chronologically, \fIstandby\fP mode occurs before or simultaneously with
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\fIsuspend\fP mode, and
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\fIsuspend\fP mode must occur before or simultaneously with \fIoff\fP mode.
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Therefore, non-zero mode timeout
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values must be greater than or equal to the timeout values of earlier modes. If
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inconsistent values are
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supplied, a BadValue error will result.
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.SH "RETURN VALUES"
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.TP 15
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TRUE
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The
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.I DPMSSetTimeouts
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function returns TRUE when the function has succeeded.
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.SH ERRORS
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.TP 15
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.SM BadValue
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An argument is out of range.
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.SH "SEE ALSO"
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.BR DPMSCapable (__libmansuffix__),
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.BR DPMSInfo (__libmansuffix__),
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.BR DPMSGetTimeouts (__libmansuffix__)
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