X-Rite RM200QC - Opacity Mode Measurement; Performing Over White and Over Black Measurements; Interpreting Contrast Ratio Results

RM200QC User Manual
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If you do not want to use the last measurement taken, press the left side of the Navigation
control to clear (Reset) the measurement.
2. Continue with additional measurements if averaging is used.
3. After Over White measurement, the device will jump to the Over Black measurement.
Position the instrument on the sample over the black portion of the opacity card. Take the
measurement.
If you do not want to use the last measurement taken, press the left side of the Navigation
control to clear (Reset) the measurement.
4. Continue with additional measurements if averaging is used.
View the Contrast Ratio results (Y over black/Y over white *100).
5. If you want to make another opacity measurement, press the left side of the Navigation
control to clear (Reset) the result and restart the measurement process.
6. Press the right side of the Navigation control to exit and return to the Quick Check window.