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Absolute value (Chroma - color displays only)
Select this option if you wish to enter a numeric target value.
This option is preferred for Barco displays.
Chroma (color displays only)
Enter the color temperature or chroma value for black in the Kelvin or xy
fields.
These fields are available only if the “Absolute value” option for chroma
is selected.
Measure Now
Click on this button if you wish to measure the actual luminance and
chroma (color displays only) values for black. You will be asked to
calibrate the sensor (if necessary) and apply it to the screen.
Tips for setting the White and Black parameters for color displays
This paragraph describes what parameters values you have to select for
certain settings.
Constant chroma
If you wish to have a constant chroma setting, select the following
parameter values:
• White Luminance: As desired
• White Chroma: As desired
• Black Luminance: Measure on next calibration
• Black Chroma: Same as white chroma
Constant chroma with maximized contrast ratio
If you wish to have a constant chroma with maximized contrast ratio
setting, select the following parameter values:
• White Luminance: As desired
• White Chroma: As desired
• Black Luminance: Measure on next calibration
• Black Chroma: Measure on next calibration
Constant chroma means that all gray levels in the image will have the
same chroma or color temperature.
Constant chroma with maximized contrast ratio means that nearly all
gray levels have the same chroma. Only the darkest gray levels will be
darker to achieve a higher contrast ratio.