advertising LED digital billboard 1.Qualified MBI IC 2.Intelligent Control System 3.Error Detection 4.3000Hz Refresh advertising LED digital billboard1. Function and Technology Character (1) Multiplied file formats, such as AVI, MOV, MPG, DAT, VOB are comprehensive, and also we have three display mode as VGA+VIDE and VGA. There are also interfaces for Sound signal and video signal, including CVBS ...