Refresh rate is the frequency with which the display screen is retraced to prevent the image from flickering. The entire image area of most monitors is refreshed approximately 60 times per second.
Note: Increasing this refresh rate, or flicker filter value, reduces screen flicker Choose a higher value than 60 Hertz to reduce display flicker.
For an analog display, the suggested setting is a minimum of 80 Hertz.
For a digital display, the suggested setting is a minimum of 75 Hertz.