Dell S2721QSA User Manual page 51

PIP/PBP This function brings up a window displaying image
from another input source.
Main Window
NOTE: The images under PBP mode will be
displayed at the center of the split windows.
DP
DP
HDMI 1
HDMI 2
Operating the monitor
Sub-Window
HDMI 2
HDMI 1
X X
X X
│
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