Dell UltraSharp 25 Monitor - Manual (Page 45)

Operating the Monitor |
45
OSD Warning Messages
When the Dynamic Contrast feature is enabled (in these preset modes: Game or
Movie), the manual brightness adjustment is disabled.
Dell UltraSharp U2515H
Do you wish to turn off Dynamic Contrast?
No
Yes
When the monitor does not support a particular resolution mode, you will see the
following message:
Dell UltraSharp U2515H
The current input timing is not supported by the monitor display. Please
change your input timing to 2560x1440, 60Hz or any other monitor
listed timing as per the monitor specifications.
This means that the monitor cannot synchronize with the signal that it is receiving
from the computer. See
Monitor Specifications for the Horizontal and Vertical
frequency ranges addressable by this monitor. Recommended mode is 2560 x 1440.
You will see the following message before the DDC/CI function is disabled:
Dell UltraSharp U2515H
The function of adjusting display setting using PC application will be
disabled.
Do you wish to disable DDC/CI function?
No
Yes