How to Calibrate Your Monitor

The scale below should read as eleven gradations of gray, plus #1 being black. If it is not, adjust the brightness and/or contrast on your monitor until each
numbered rectangle is distinguishable from the one(s) adjacent to it.

grayscale

The square below is a test of your monitor's gamma adjustment. At a distance of eight feet, the smooth patch should appear neither lighter nor darker than the background around it if the gamma level is properly adjusted.

Gamma adjustment patch