In a previous post, you wrote:

>I have a problem with a Princeton Graphic Systems EO70 17" monitor.
Actually,
>I am not totally sure it is the monitor. Sometimes -- not all the time --
>after operating for several hours, the display begins to jitter. It kind of
>"vibrates" on-screen. I'm not talking about flicker. I mean the whole
picture....

Make sure you have no other electro-magnetic interference near the monitor
like another monitor or a fan; those two are quite common monitor
disturbances.  If those possibilities have been eliminated, I invite the
others to post because you got me beyond that.

hope this helps,
gary r. tennesen
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