Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!wuarchive!mit-eddie!uw-beaver!ubc-cs!fornax!oneill
From: oneill@fornax.UUCP (Richard Oneill)
Newsgroups: comp.sys.next
Subject: Burn-in fears (Real or Imaginary ?), Prevention ?
Keywords: Burn-in, Monitors, Screen-saving, Insanity
Message-ID: <2171@fornax.UUCP>
Date: 21 Feb 91 20:02:37 GMT
Reply-To: oneill@fornax.UUCP (Richard O'Neill)
Organization: School of Computing Science, SFU, Burnaby, B.C. Canada
Lines: 25

Some of our older NeXT machines have an after-image of the loginwindow
burned into their display. Its faint, but noticeable. I don't know whether
this was caused by behavour which is no longer exhibited by v2.0, but I have
noticed that at our site, running v2.0, loginwindow screens stay at "normal
intensity" for quite a while after logout before dimming to "reduced
intensity". Is there some way to

	a) Reduce the dimming time for the login window
	b) Switch off the monitor when I want the machine to keep running
	   but I know no one will be using it.
	c) Have the login window appear in slightly different places on
	   the screen each time it is drawn.
	d) Replace the default screen saver with an alternative one.

Thinking about it, has anyone had problems with icons (such as the NeXT
icon) in the dock burning in, and if so is there any way to prevent this
happening.

Or is the burn-in problem imaginary, and sensible monitor brightnesses cause
no chance of problems.

	Richard
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