Dell ST2010B Flat Panel Monitor - Manual (Page 19)

Note: This monitor has a built-in diagnostics to automatically calibrate the brightness to compensate for CCFL aging.
OSD Warning Messages
When the monitor does not support a particular resolution mode you will see the following message:
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 1600 x 900.
You will see the following message before the DDC/CI function is disabled.
When monitor enters Power Save mode, the following message appears:
Activate the computer and wake up the monitor to gain access to the OSD
If you press any button other than the power button one of the following messages will appear depending on the selected input:
VGA/HDMI input