• TEXT SIZE
    Your browser has to display the text on medium (= the default setting) or smaller.

  • RESOLUTION


    If you see this black rectangle without cropping it's perfect!

  • TONE


    Can you see 0-100 from pure white to pure black with break lines, even between 95 and 100?
    We recommend adjusting your screen contrast to 100% and brightness to 25%.


  • COLOR


    You have to see the smooth RGB spectrums without any breaks.

    OK??? So, click on the left the button of your choice... Have a nice time!