Operating the Monitor | 53OSD Warning MessagesWhen the Dynamic Contrast feature is enabled (in these preset modes: Game or Movie),manual brightness adjustment is disabled.When the monitor does not support a particular resolution mode, you can see thefollowing message:This means that the monitor cannot synchronize with the signal that it is receiving fromthe computer. See Monitor Specifications for the Horizontal and Vertical frequencyranges addressable by this monitor. Recommended mode is 2560 x 1440.You can see the following message before the DDC/CI function is disabled:When the monitor enters the Power Save mode, the following message appears: