the right or left of each window. See below image.
6.4. Input Information
There is an overlay in each window of the SDI1-2,HDMI3-4. The overlay shows the resolution and frame
rate of HDMI input. User can turn on/off overlay in each input window. Besides, user can set the overlay
Opacity (50%, 75%, 100%), Size (Small/Medium/Large), Position X&Y (1-100), Text color and
Background Color. See below image.