Barco MediCal LE, Инструкция по установке и эксплуатации

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Performing quality checks with test patterns
12
Uniformity
This pattern can be used to check if the white and black levels
are uniform all over the screen. Therefore, put the sensor on the
different patches on the screen, and check the Measure window
to see if the measured value is approximately the same all over
the screen.
Note:
To see what the correction in MediCal LE does to your image, it
may be a good idea to compare the SMPTE or Briggs pattern with
the correction enabled and disabled. You can do this by clicking
the right mouse button on the pattern and disabling the
Calibrated option.