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8720D Intermittent Focus Problems

Question asked by johnt on Jun 18, 2010
Latest reply on Jun 23, 2010 by johnt

I have an HP8720D network analyzer and the display intermittently looses focus. The unit can keep the focus for months or alternately be blurry for months. I was wondering if anyone has any thoughts on what's happening or how to fix the problem?

Thanks in advance,

John Turner