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Dell Thunderbolt U4025QW User Manual

Dell Thunderbolt U4025QW
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Operating the monitor | 67
Using the Main Menu
Icon Menu and
Submenus
Description
Brightness/
Contrast
Adjust the Brightness, Contrast, Auto Brightness,
Auto Brightness Range Level, Auto Color Temp., and
Primary Monitor for Sync functions.
Input Source
Color
Brightness/Contrast
Display
Exit
PIP/PBP
Personalize
Others
More Information
Menu
USB
UltraSharp 40 Monitor
Auto Brightness
Auto Brightness Range Level
Primary Monitor for Sync
Auto Color Temp.
O
Reset Brightness/Contrast
O
Brightness
Contrast
75
75
Audio
Brightness Adjusts the luminance of the backlight (Range: 0-100).
Move the Joystick Up to increase brightness.
Move the Joystick Down to decrease brightness.
Contrast Adjust the Brightness first, and then adjust Contrast
only if further adjustment is necessary.
Move the Joystick Up to increase contrast and Move the
Joystick Down to decrease contrast (Range: 0-100).
The Contrast function adjusts the degree of difference
between darkness and lightness on the monitor screen.
Auto
Brightness
Enabled Ambient Light Sensor to auto-adjust the
luminance setting.
Auto
Brightness
Range Level
It is used for selecting the upper luminance threshold of
Auto Brightness function.
NOTE: When Auto Brightness is turned off, this
function is not available.

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Dell Thunderbolt U4025QW Specifications

General IconGeneral
Screen Size40 inches
Aspect Ratio21:9
Panel TypeIPS Black
Refresh Rate60 Hz
Color Support1.07 billion colors
Curvature2500R
VESA Mount100 x 100 mm
KVM SwitchYes
Resolution5120 x 2160
Brightness300 cd/m²
Contrast Ratio1000:1
Response Time5 ms
Color Gamut98% DCI-P3
PortsRJ45
Speakers2 x 9W
Built-in MicrophoneYes
Stand AdjustabilityHeight, Tilt, Swivel
Weight (with stand)14.4 kg

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