SpectraCal Blackmagic Design HDLink Pro User Manual
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6. On the Session Setup page, click the Find 3D LUT Device button, then select "Blackmagic
Design – HDLink Pro (USB).”
7. On the Dynamic Range page, adjust the display’s black level/Brightness control to the black
level of the signal content that will be processed through the HDLink Pro (16 for video or 0
for PC/full range).
8. On the RGB Adjust page, under the RGB Adjust Levels selection, select “2 Point 30, 100%.”
Click Read Continuous and adjust the display’s RGB Gain controls for RGB balance at 100%.
Adjust the display’s RGB Offset/Bias controls (if provided) for RGB balance at 30%.
9. Skip the 1D Ramp LUT page (a 1D LUT does not need to be created).
10. On the 3D Cube LUT page, click the AutoCal (rotating arrows) button at the right end of the
meter action buttons. The AutoCal Setup dialog then appears (see below).
A. Under File Path, select the desired directory path and provide a name for the LUT file
that CalMAN will create (e.g. monitor ID and date).
B. Under Calibration Type, select the desired type of 3D LUT calibration process.
IR Profile (time based): Creates the best quality display calibration 3D LUT
possible in the selected period of time. You select how much display quality you
have time for, from 30 minutes to maximum display quality (6,000 points max).
Uses Intelligent Resolution Profiling to search out the most nonlinear color
space areas and correct those first.