Measurements were made using Portrait Displays CalMAN software, together with a NIST-certified Minolta CS-200 reference colorimeter, Murideo/AVPro Edge 4K Fresco Six-G, and 8K Seven pattern and video file generators, supported by Bullet Train 48Gbps HDMI cables.
I took two sets of measurements with the PX1-Pro at default settings. The first set was directly from the screen, with the second collection using a Labsphere USRT-99 Spectralon Reflectance Target placed on a tripod directly in front of screen center. (Many manufacturers use Labsphere targets