1: What is a video processor: video processor is a kind of device that could make all kinds of signals to DVI singal.

2.Why a vodeo processor needed: Wancolor will offer all needs software and control system. This software will be installed in the  control computure. For rental a video processor is a must. Because the receiving card of the LED screen only can accept DVI signal so we need a video processor to change all kinds of signal to DVI signal as follow: