Measure and set gamma

You can use Monitor Profiler to measure and set the contrast for the desired gamma.

Gamma refers to the encoding of the luminance value to compensate for the nonlinearity in human vision, in order to achieve the best image quality for a given bandwidth. Gamma is the relationship of the encoded luminance to the desired output luminance. The gamma value affects the white point, the global ability to display RGB neutrals, and the global darkness and contrast that the monitor can display.

Typical gamma values range from 1.8 to 2.2 depending on the device.

When you calibrate the gamma, change only the contrast and no other monitor settings. The contrast control may be a physical button on the monitor or an on-screen display (OSD) that appears on the monitor.

Position the spectrophotometer correctly for measuring.
If you use an OSD, position the OSD away from the spectrophotometer (in a corner of the screen, for example).
When Monitor Profiler tells you, adjust the contrast to the maximum value and click Next.
Reduce the monitor’s contrast until the measured gamma matches the target gamma.
After each time that you adjust the contrast, wait a few seconds to allow the spectrophotometer to measure and display the resulting gamma.
Click Next.