Acer DM431K: User Manual shows PIP/ PBP in OSD Menu but does not detail, show or clarify options?

insightz
insightz Member Posts: 1 New User
Can someone from Acer please clarify this question especially with reference to Points 4 & 5 of User Manual?  

User Manual Excerpt: 

1. Press the
key to bring up the OSD.
2. Using the / keys, select
System from the OSD . Then navigate to the feature
you wish to adjust.
3. Use the / keys to adjust the sliding scales.

4. The Performance menu can be used to adjust the Input ,Auto Source,DP Format,Wide
Mode,PIP/PBP,Hot Key Assignment and other important settings.
5. DDC/CI: Allows the monitor settings to be set through the software on the PC.
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Note: DDC/CI, short for Display Data Channel/Command Interface, which allows
monitor controls to be sent via software.
6.USB upgrade menu allows user to upgrade Firmware. The Firmware name must be ”
ACER_MST9U3_DM431K.bin” and put in USB root directory.
Note: Recommended engineering staff to assist.