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SSAVER(1)							     SSAVER(1)

NAME    [Toc]    [Back]

     ssaver - customization panel for setting screen saver & power saver

SYNOPSIS    [Toc]    [Back]


DESCRIPTION    [Toc]    [Back]

     The ssaver	customization panel allows the user to toggle the screen saver
     on	or off,	demo the available screen savers, and choose a new screen
     saver.  In	IRIX 6.2 and later releases, it	also lets the user configure
     the power saver option available on some systems.

     This customization	panel does not control the power saver settings	that
     take effect when no one is	logged into the	console.  To change these,
     edit (as root) the	/usr/lib/X11/xdm/Xlogin	file.  See the xdm(1)
     reference page for	more information.

     The ssaver	program	can be accessed	from the toolchest (Desktop >
     Customize > Screen	Saver) or at a Unix command line.  Like	most other
     customization panels, the ssaver panel has	the ``runonce''	feature,
     meaning only one instance of the application will run at one time.
     Attempting	to launch the application a second time	will have the effect
     of	deiconifying the application window or popping it to the top on	the
     current desk.

     In	IRIX 6.3 and later releases, the Atlantis demo program is recognized
     as	a screensaver.	To make	it available in	this panel, install the
     demos.sw.atlantis subsystem from the IRIX distribution CD.

     The user can set the screen saver timeout,	the length of time for which
     the display should	be inactive before the screen saver launches.  The
     user can also set whether to lock the screen for particular screen
     savers.  (See the xlock(1)	man page for more information about locking
     the X server.)  The Random	setting	will launch at random one of the other
     available screen savers after the designated screen saver timeout.

     In	IRIX 6.2 and later releases, the ssaver	panel also allows the power
     saver option to be	used on	appropriate monitors, and with any screen
     saver.  In	IRIX 5.3, the power saver is available only with the Blank
     screen saver.

     The power saver option essentially	turns off the monitor when the user is
     away from the machine for a long time, so the monitor consumes much less
     power.  The power saver blanks the	screen and turns off video
     synchronization, so the monitor consumes 3-4 watts	of electricity versus
     its normal	100 or so watts.

     On	monitors that support the power	saver option, the user can use the
     ssaver panel to set the power saver timeout, the length of	time for which
     the display should	be inactive after the screen saver has launched	before
     the power saver launches.	The user can also toggle the power saver
     option on or off.	If the monitor does not	support	the power saver

									Page 1

SSAVER(1)							     SSAVER(1)

     option, the power saver toggle and	slider will be insensitive and will
     appear grayed out.

     Because the power saver essentially turns off the monitor,	coming out of
     power-save	mode can take several seconds as the monitor warms up.	Thus,
     the power saver launches some time	after the screen saver has launched,
     and the power saver slider	on the ssaver panel has	a higher maximum value
     than the screen saver slider.

     Users can check the monitor type with


     Monitors that support the power saver option include

	Indy/Indigo2 XL	(NG1) with monitor id 1, 2 or 130 (flat	panel)
	Indy/Indigo2 XZ	with flat panel

     In	IRIX 5.3 and later releases, the Blank screen saver supports not only
     the power saver option but	also another hardware option called screen
     blanking, a video back-end	implementation that does not affect the
     framebuffer unless	the saver is locked.  With locking turned off, the
     Blank saver causes	color information to no	longer be driven to the
     monitor, but the monitor is still synchronized.  With locking turned on,
     however, the Blank	saver causes black to be painted to the	screen (xlock
     simulates blank by	clearing the framebuffer to 0, thus requiring Expose
     events when coming	out of screen saving).

     When no one is logged into	the console of a system, the default screen
     saving options take effect.  In IRIX 5.3, the X display manager (xdm)
     uses the Blank screen saver as the	default, and the power saver option
     kicks in after 20 minutes of screen saver operation.  In IRIX 6.2,	the
     xdm default is also the Blank screen saver, but the power saver option is
     off by default; in	IRIX 6.5, the xdm power	saver option is	on by default.
     This can be changed by editing /usr/lib/X11/xdm/Xlogin.

     For more information about	the entire IRIX	Interactive Desktop
     environment and about the XUSERFILESEARCHPATH environment variable, see
     the IID(1)	man page.

FILES    [Toc]    [Back]


     The ssaver	panel takes the	user's settings	and changes them into xset
     commands.	(See the xset(1) man page for more information about how the
     screen saver is set.)  These commands are written to $HOME/.desktop-
     <hostname>/panelsession (where <hostname> is the name of the machine) and
     are executed by /usr/lib/X11/xdm/Xsession.dt at the start of the user's

									Page 2

SSAVER(1)							     SSAVER(1)


     In	IRIX 6.2 and later releases, the X server supports the power saver
     option by interpreting the	screen saver interval setting as the power
     saver timeout.  See the XSetScreenSaver(3X11) or the xset(1) man pages
     for more information about	the screen saver timeout (also called length)
     and about the screen saver	interval (also called period).

     The xdm default screen saver and power saver options can be changed by
     editing the file /usr/lib/X11/xdm/Xlogin.

SEE ALSO    [Toc]    [Back]

     xset(1), xlock(1),	XSetScreenSaver(3X11), gfxinfo(1G), xdm(1), IID(1),

									PPPPaaaaggggeeee 3333
[ Back ]
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