Chief Delphi - Computer Monitor Interference

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Computer Monitor Interference

I have three of those black and white compact all-in-one Macintoshes sitting in very close proximity to each other as in this picture Only about an inch separate them. I noticed that when they are this close (within 6") the monitors/screens get a line that scrolls up or down it.
I have a screensaver that just sets the screen to all black, so in this black and white only (no grayscale) crt I belive that means the CRT is not doing anything.

My question is, will the interference between the machines cause any harm to the crt or driving electronics (the power-sweep/analog board)? The black screensaver is on 99% of the time.

Re: Computer Monitor Interference

Quote:

Originally Posted by sanddrag

I noticed that when they are this close (within 6") the monitors/screens get a line that scrolls up or down it.
I have a screensaver that just sets the screen to all black, so in this black and white only (no grayscale) crt I belive that means the CRT is not doing anything.

Is this band similar to the line that you see when you record a CRT? Is it localized in the screen (does it happen all over the screen at once or in an area close to another computer)? Have you tried to replicate this using a magnet or something? I know that when I had a tower Peecee with a harddrive near the monitor's level, an area of the screen went crazy, it had pastel colors in that area like when you degauss.

Re: Computer Monitor Interference

I don't know if it will harm it, but in our comp lab at school (with ancient imacs), the screens flicker when you turn on a nearby imac (3 feet or less).