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4.3 Sources
On the side toolbar page, tap to enter the signal source selection, including Front Type
C, Type C, HDMI 1, HDMI 2, HDMI 3 and Display port.
The icon without signal source connected is gray, and the icon with signal source connected is
white. After you choose white icon, the content of the signal source can be displayed in the
preview window for real-time preview.
You can enter sources interface by the following methods:
Tap the icon on the side toolbar;
Tap the icon on the quick settings;
Tap the icon on the remote control.
4.4 Preview window
On the Home page, signal source preview window including build-in PC, Front Type C, Type
C, HDMI 1, HDMI 2, HDMI 3 and Display port.
An icon without an active signal source connected will be gray, an icon with an active signal
sources connected will be white, and the icon of the signal source currently being previewed
will be blue. After you choose a white icon, the content of the signal source can be displayed
in the window for a real-time preview, the icon color will change from white to blue, and the
name of the preview window for the signal source will change to match with the signal source
being previewed.