Chroma 2227/2327 Video Pattern Generators not only combine the signals of analog (250MHz) and digital(165MHz) to provide the VESA standard video signal source for LCD Monitor/CRT Monitor, it also integrates the TV (NTSC / PAL/SECAM) signal to fit in the multimedia display applications for the newly risen LCD TV, PDP TV, LCOS TV and DLP RPTV industries. Users can utilize the software application, VPG PLUS, either on PC or on the Video Pattern Generator itself to edit various timing parameters, patterns and test procedures. Its complete test functions can fully meet the requirements for R&D, production test and quality assurance in all video related industries.