Dell U3821DW 37.5" 21:9 Curved IPS Monitor (Silver) - Manual (Page 50)

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Operating the monitor
PIP/PBP Mode Allows you to choose a PBP or PIP mode from the
preset list, which provides different sizes and
positions of the sub-window. The options are shown
in graphic format, giving a quick understanding of
various layout settings, The default setting is
Off .
PIP/PBP (Sub) Select between the different video signals that may
be connected to your monitor for the PIP/PBP sub-
window. Press the
joystick to confirm the selection.
NOTE: The option is available only when the PIP/
PBP mode is enabled.