Dell P5524QT 55" UHD 4K Touchscreen Commercial Monitor - Manual (Page 54)

54 | Operating the display
OSD warning messages
When the display does not support a particular resolution mode, you can see the
following message:
Dell 55 Monitor
The current input timing is not supported by the monitor display.
Please change your input timing to 3840 x 2160 , 60Hz or any other
monitor listed timing as per the monitor specifications.
P5524QT
This means that the display cannot synchronize with the signal that it is receiving from
the computer. See
Display Specifications for the Horizontal and Vertical frequency
ranges addressable by this display. Recommended mode is 3840 x 2160.
You can see the following message before the DDC/CI function is disabled:
Dell 55 Monitor
P5524QT
The function of adjusting display setting using PC application will be
disabled.
Do you wish to disable DDC/CI function?
Yes No
When the display enters the Standby mode, the following message appears:
Dell 55 Monitor
Going into Standby mode…