Dell UltraSharp U2422H User Manual page 64

Multi-Monitor Allows multiple monitors that are Daisy Chained via
Sync DP to synchronize following OSD settings in the
background: Brightness, Contrast, Preset Modes,
Color Temp., Custom Color, Hue, Saturation,
Response Time, and Sharpness. See Multi-
Monitor Sync (MMS) for details.
Reset Display Press the Joystick to reset all settings under the
Display menu to the factory preset values.
USB (U2422HE Allows you to assign the USB upstream port for the
only) input signals (DP, HDMI), thus the monitor's USB
downstream port can be used by the current input
signals when you connect a computer to either one
of the upstream ports. When you use only one
upstream port, the connected upstream port is
active.
NOTE: To prevent data damage or loss, before
changing USB upstream ports, make sure that no
USB storage devices are in use by the computer
connected to the monitor's USB downstream port.
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64 Operating the Monitor