SpectraCal CalMAN for SCRATCH Plug-In User Manual
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2. Display Pre-Test section
In the ‘Display Pre-Test’ section of the Color Cube workflow, you can measure the performance of a
display before you calibrate it, on the Gamma & ColorChecker page and on the Advanced Linearity page.
NOTE: Be sure that you have selected the proper Luminance Levels in CalMAN (see the Session Options
section, just above).
On the Performance Analysis page, the display measurements from the previous two pages are
evaluated in a series of pass/fail performance parameters. If the display fails in any of these parameters,
you should consider using the following Display Optimization section of the workflow to optimize
control adjustments on the display itself.
If the display passes all of these parameters, you can skip the Display Optimization section and go
immediately to the Display Calibration section of the workflow.
CAUTION: Before you begin the following sections to optimize the display controls or perform 3D LUT
calibration, be sure to remove any existing LUT that SCRATCH may be applying to the monitor to be
calibrated.
Failure to remove a previous SCRATCH LUT before making any adjustments or creating a new LUT will
result in an inaccurate display calibration.
To remove an existing SCRATCH LUT:
1. Right click on the SCRATCH project screen to display the SCRATCH menu and select Settings.
2. At the lower right of the screen, select Monitor.
3. For the target monitor, click the “R” button, to the right of the “Load” button, to remove
any existing LUT.
4. Click the “Apply Colorspace” button to disable it.
5. Click the “Apply LUT” button to disable it.