QDI Vision-1 User Manual page 28

Here, you can choose refresh rate by clicking a button in the upper left
part of the panel. In general, the higher the refresh rate, the better the
display quality. Be sure your monitor can support the refresh rate you
choose!
For digital video playback, you can choose whether the Bilinear
Filtering should be enabled all of the time ("Always On"), never
("Always Off"), or only when the frame rate being displayed is actually
30fps ("Auto"). You can make this selection in the upper right portion
of the window. For the best digital video playback quality, we
recommend the "Always On" setting.
The next setting is "Gamma Correction." Gamma correction is a fairly
complex notion. Simply put, it modifies color values to compensate for
Display Drivers Installation 24