Dell Users Guide
Page 41
... from '0' to enable or disable DisplayPort 1.2. Press the button to '100'. Press image. To use the DP MST (Daisy Chain) or HBR2 feature, enable DP 1.2. Sharpness This feature can support these cases, DDM (Dell Display Manager) may result in blank screen. Some Graphics Cards do not support MCCS (Monitor Control Command Set) at...
... from '0' to enable or disable DisplayPort 1.2. Press the button to '100'. Press image. To use the DP MST (Daisy Chain) or HBR2 feature, enable DP 1.2. Sharpness This feature can support these cases, DDM (Dell Display Manager) may result in blank screen. Some Graphics Cards do not support MCCS (Monitor Control Command Set) at...