X allows DPMS (Energy Star) features to be used with capable monitors. The
<citerefentry vendor="xfree86"><refentrytitle>xset
</refentrytitle><manvolnum>1
</manvolnum></citerefentry> program controls the time-outs and can force standby, suspend, or off modes. If you wish to enable DPMS features for your monitor, you must add the following line to the monitor section: