CI6X SERIES SPECTROPHOTOMETER
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OPACITY MODE
The Opacity mode is used for making multiple measurement calculations to determine Contrast
Ratio or Percent Opacity. Each measurement requires three readings (over-black, over-white, and
a measurement of the white backing). The final data can be stored and displayed either as over-
white, over-black, or color at 100%. This is determined by the configuration setting.
Several operations available in Opacity mode are identical to those available in QA Mode. For
information covering Color Space, Illuminant/Observer, Project, and Standard selection refer to
Measure Mode.
Opacity Measurement
The Opacity mode displays the percent opacity of a drawn down sample on an opacity card.
To perform an opacity measurement:
1. From the Measure screen, use the Up or Down navigation buttons to move the highlight focus
to the Measurement Mode icon
.
2. Select the Opacity mode as previously explained.
3. Select the project, standard (if required), color space, and illuminant/observer as previously
explained.
4. Press the instrument to the shoe to set the screen for the first measurement.
5. Measure the sample over the black portion of the opacity card. Release the instrument after
data is displayed.
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