90 | Operating the monitor
Setting Multi-Monitor Sync (MMS)
During initial power on or connection of new monitor, user setting synchronization only
start if MMS is On. All monitor should synchronize settings from Monitor 1.
Sharpness
Response Time
Aspect Ratio
Exit
MST
27 Monitor
Input Source
Color
Brightness/Contrast
Display
Personalize
Others
Menu
USB
Audio & Webcam
Multi-Monitor Sync
On
Dell Power Button Sync
Reset Display
Off
After first synchronization, subsequent syncing is driven by changes to the predefined
group of OSD settings from any monitor in the chain. Any monitor may initiate the
changes downstream and upstream.
MMS (On)
Monitor 1Monitor 2
DP
DP out
DP
DP
MMS (On)
Monitor 1Monitor 2
DP out
USB Type-C
DP in
USB Type-C
NOTE: You can use USB device on monitor 1 or monitor 2 only after you
have connected the USB cable (C to A or B to A or C to C) from the
computer to the monitor.