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| Operating the Monitor
Activate the computer and wake up the monitor to gain access to the
If you press any button other than the power button, the following messages will appear
depending on the selected input:
Dell UltraSharp 27 Monitor
Press any key on the keyboard or move the mouse or wake it up.
If there is no display, press the monitor button again to select
the correct input source.
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No DP signal from your device.
When user try to change preset mode when Smart HDR is ON, the following message
will show:
Dell UltraSharp 27 Monitor
Currently processing HDR content…
To change preset mode, stop playing the HDR content.
Alternatively, switch off the Smart HDR function in Display settings.
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If any B/L zone operate > 90% duty cycle for 30min continuously, will turn off B/L local
dim/boost for 30min. When the local dimming is disable,the following messages will
appear on screen for 3 seconds:
Dell UltraSharp 27 Monitor
Backlight Local Dimming is Disabled.
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If either DP, mDP, HDMI1 or HDMI2 input is selected and the corresponding cable is not
connected, a floating dialog box as shown below appears.
Dell UltraSharp 27 Monitor
The display will go into Power Save Mode in 4 minutes.
No DP Cable
www.dell.com/support/monitors
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