DPMSSetTimeouts(3x) manual page

Table of Contents

## Name

DPMSSetTimeouts - permits applications to set the timeout values used by the X server for DPMS timings

## Synopsis

    cc [ flag ... ] file ... -lXext [ library ... ]
    #include <X11/extensions/dpms.h>

    Status DPMSSetTimeouts(      Display *display,      CARD16 standby,
      CARD16 suspend,      CARD16 off );Argumentsdisplay Specifies the connection
    to the X server standby Specifies the new standby timeout in seconds suspend
    Specifies the new suspend timeout in seconds off Specifies the new off
    timeout in seconds DescriptionThe DPMSSetTimeouts function permits applications
    to set the timeout values used by the X server for Display Power Management
    Signaling (DPMS) timings.
    The value standby is the amount of inactivity
    time, in seconds, before  standby mode is invoked. The actual  effects of
    this mode are dependent on the characteristics of the monitor and  frame
    buffer card. Standby mode is  implemented by shutting off the horizontal
    sync signal, and pulsing the vertical  sync signal. Standby mode  provides
    the quickest monitor recovery time.  Note also that many monitors  implement
    this mode identical to  suspend mode.  A value of zero disables the standby
    mode.
    The value suspend is the amount of time of inactivity, in seconds,
    before  the second level of power  savings is invoked. Suspend mode's physical
    and electrical characteristics are  implementation defined. For DPMS  compliant
    hardware, setting the suspend mode is implemented by pulsing the  horizontal
    sync signal and  shutting off the vertical sync signal.  In general, suspend
    mode recovery is  considered to be slower than  standby mode, but faster
    than off mode. However it may vary from monitor to  monitor.  As noted above,
    many  monitors implement this mode identical to the standby mode.  A value
    of zero  disables this mode.
    The value off is the amount of time of inactivity,in
    seconds, before the  third and final level of power  savings is invoked.
    Off mode's physical and electrical characteristics are  implementation defined.
    In DPMS  compliant hardware, it is implemented by shutting off both horizontal
    and  vertical sync signals, resulting in  powering down of the monitor.
     Recovery time is implementation dependent.  Usually the recovery time is
    very  close to the power-up time of the monitor. A value of zero disables
    this mode.
    Chronologically, standby mode occurs before or simultaneously
    with  suspend mode, and  suspend mode must occur before or simultaneously
    with off mode.  Therefore, non-zero mode timeout  values must be greater
    than or equal to the timeout values of earlier modes.  If  inconsistent
    values are  supplied, a BadValue error will result.
    Return ValuesTRUE The
     DPMSSetTimeouts  function returns TRUE when the function has succeeded.
     ErrorsBadValue An argument is out of range. See AlsoDPMSCapable(3x), DPMSInfo(3x),
    DPMSGetTimeouts(3x)