Provided by: xscreensaver-data-extra_5.15-2ubuntu1_amd64 bug

NAME

       lcdscrub - attempt to repair burn-in on LCD screens

SYNOPSIS

       lcdscrub [-display host:display.screen] [-visual visual] [-window] [-root] [-delay number]
       [-spread number] [-cycles number] [-fps]

DESCRIPTION

       This screen saver is not meant to look pretty,  but  rather,  to  repair  burn-in  on  LCD
       monitors.

       Believe  it  or not, screen burn is not a thing of the past.  It can happen to LCD screens
       pretty easily, even in this modern age.  However, leaving the  screen  on  and  displaying
       high contrast images can often repair the damage.  That's what this screen saver does.

       See also:

            http://docs.info.apple.com/article.html?artnum=88343
            http://toastycode.com/blog/2008/02/05/lcd-scrub/

OPTIONS

       -visual visual
               Specify which visual to use.  Legal values are the name of a visual class, or  the
               id number (decimal or hex) of a specific visual.

       -window Draw on a newly-created window.  This is the default.

       -root   Draw on the root window.

       -delay number
               Per-frame delay, in microseconds.  Default: 1000000 (1 second.).

       -spread number
               Distance between lines.  Default 8.

       -cycles number
               Steps before switching display mode.  Default 60.

       -fps    Display the current frame rate and CPU load.

ENVIRONMENT

       DISPLAY to get the default host and display number.

       XENVIRONMENT
               to  get  the name of a resource file that overrides the global resources stored in
               the RESOURCE_MANAGER property.

SEE ALSO

       X(1), xscreensaver(1)

COPYRIGHT

       Copyright © 2008 by Jamie Zawinski.  Permission to use, copy, modify, distribute, and sell
       this  software  and  its  documentation  for  any  purpose  is hereby granted without fee,
       provided that the above copyright notice appear in all copies and that both that copyright
       notice  and this permission notice appear in supporting documentation.  No representations
       are made about the suitability of this software for any purpose.  It is provided  "as  is"
       without express or implied warranty.

AUTHOR

       Inspired by the like-named program by Daniel Sandler.

       Written by Jamie Zawinski.