Display matrix sender (S3 / S8)

Screen Distance Matrix 2-code layout Seconds per config

Start the receiver on the phone first, aim it at this screen, then press Start. Press Esc to abort. Screen brightness at maximum. The phone logs everything itself.

Flicker recording (S8)

Choose Quick, start a screen recording (Windows: Win+Alt+R with Xbox Game Bar), run the matrix, then analyse the video with PEAT. Record at 60 fps if possible.