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Re: fuzzy

In message <Pine.LNX.3.96.970715214147.3924D-100000@garbage.netrox.net>, Xservo
 writes:
> hey all,
> i recently purchased a color quickcam and it did not include a manual. i
> hooked it up before buying it and loaded the windows software and
> everything worked fine, good picture quality and all. so i bought it and
> took it home to my p133 linux box and hooked it up, and changed my
> parallel port to bi in the bios and loaded some software. i first tried
> xcqcam the cqcam cqread and several variants, and for some reason even if
> i adjust the focus on the unit all the picutes come out fuzzy, not really
> interference type stuff and the images are slightly (very very slightly)
> viewable. i have tried reinstall and reconfiguring the camera and still
> the fuzzy (kinda like looking through a piece of glass that's been
> sandblased). i am just looking for any ideas any of you may have as to
> what could cause this problem. a demo picture is avalable upton request.

I've seen similar behaviour with my color qc when:

  The ccd is saturated by light (outdoor daylight scenes without a
  dark filter).

  The qc is over heated. For instance if it is placed directly in
  the sun and the temperature of the qc is above 40-50 degrees (centigrades).

  When the parallel port is in UniDir mode.

/Håkan
References: