1.If the window is blank, please click the "Options"and select "preview"
File Devices Options Capture photo help
2.You can adjust settings like video/phone format/window
size, Choosing "Video Capture Pin..."under "options".
File Devices Options Capture photo help
3.If you want to disable microphone, the setting steps are as
follows:
My computer → Press"right-handbutton" → Manage →
Device manager → Sound, Game, Video controller → USB
Audio device → Press "right-hand" button → Stop
AMCAP
Preview
Video capture filter...
Video capture pin...
AMCAP
Preview
Video capture filter...
Video capture pin...
EN-4