Users Guide

Dell Display Manager User's Guide 7
You can use the dropdown list to switch to any input source.
NOTE: DDM communicates with your monitor even when the monitor is
displaying video from another computer. You can install DDM on the PC
you frequently use and control input switching from it. You may also
install DDM on other PCs connected to the monitor.
Click the PIP
/PBP mode selection button to set the preferred configuration. The
available modes are Off, PIP Small, PIP Large, and PBP.