RGBLink VSP 729 - Manual (Page 64)

5.Communication Software Guideline
Run software
VSP 729 User Manual 64
Ration
User can choose 4:3 or16:9 from scrolling down list
；
Image
Can set the brightness of the image, color temperature, contrast and
saturation, sharpening
Note
The set is the same as Picture.
Background
Background can be set as black color black-field or VINO video signal
input.（When setting VIN0 as video input; make sure that the resolution of
background is the same as output resolution.）