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Re: Repetitive Calibration with Optical
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Re: Repetitive Calibration with Optical


  • Subject: Re: Repetitive Calibration with Optical
  • From: email@hidden
  • Date: Fri, 17 Jan 2003 15:26:11 EST

In a message dated 1/17/03 1:45:32 PM, email@hidden writes:

>As far as I can see, PreCal does not disable it. It is easy to check:
>
>Start OptiCal, select PreCal from the menu. Step through the PreCal
>
>program until it is measuring the guns. Now click in the OptiCal window
>
>and toggle the "Calibration" on or off. Go back to PreCal and remeasure
>
>the guns. The gun values change drastically so the calibration is not
>
>disabled.

Changing the state of the monitor in midstream does not mean that PreCAL
didn't flash the video card clean when it started up; you are sabotaging the
process. That said, you may still have stumbled on a particular problem with
using PreCAL outside of OptiCAL on some Windows systems. A better test would
be to have calibration on (checked) in OptiCAL, then launch PreCAL from
within OptiCAL, take initial readings, then a second set (since the reread
procedure is a bit different) then to go back to OptiCAL and uncheck
calibration, and retry in PreCAL. That, in theory should make no difference
in reqadings. Checking it again, in theory, should. That would be correct
behavior, even though we are abusing the intended workflow.

C. David Tobie
Design Cooperative
email@hidden
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