Asus MA3850 Series - Manual (Page 58)

ASUS Splendid HD graphics card 52
8.5 Video Source
The Video Source lists available video devices installed to your system. When
available, you can exchange the different video source types.
Video source setting
To set the video source:
1.
Click Video Source from the VideoSecurity main menu.
2. From the pop-up menu, select from the available video sources. The selected
video source output is displayed on the upper screen.