Follow these instructions to connect a RGB source to your V-40HD:
Connect computers or other devices capable of RGB output to the RGB connectors at INPUT 1 through 4.
To assign RGB input to channel 4, go to [A-BUS/PGM] and press [4], then press the [RGB/COMPONENT] button. When the V-40HD detects the RGB input, the [INPUT STATUS] indicator of the channel 4 lights up.