[filmscanners] Re: Power Line Filter

["Anthony Atkielski" <anthony@atkielski.com>]

> This is absolutely NOT hogwash.  It's called
> EMI, Electro Magnetic Interference.  It is VERY
> well known to exist, and cause the exact problems
> mentioned.

Any scanner or other device that is so poorly designed that EMI affects it
visibly is defective and should be replaced by something conceived by more
competent engineers.  The idea that one should put devices on separate power
supplies and in separate rooms, or whatever, is absurd and impractical.

> I have not experienced scanner noise with my
> scanner, but it is designed such that this
> will not be an issue.  That does not mean that
> no scanners don't have these problems.

Then the solution is to replace the scanner, rather than build a
TEMPEST-conformant isolation chamber to hold it.



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