Awind wePresent WiPG-920 User's Manual - Manual (Page 18)

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3.7.5 Projection Source
Click the “Projection Source” then you can select to project the main screen of
desktop or the virtual extended screen.
P.S: Virtual Extended Screen option
You need to install “VDD.exe” driver first which is stored in the USB token.
3.7.6 Send Audio to Display
Click “Send Audio to Display” then select the function you want to start audio
projection or not.