AV Manager is a software system which can operate multiple display units (LED/LCD displays, VGA projectors and video walls) remotely across a LAN, WAN or internet. It can control multiple display units located in different parts of the building or across the city from your desktop PC. With AV Manager, VCR, VCD players and CD-ROM are no longer required to connect to each display unit to broadcast advertising contents. AV Manager supports various types of contents, such as MPEG-1, MPEG-2,, AVI, WMV, ASF, QuickTime, TV channel, cable TV, web cam, text, BMP, GIF, JPEG image, and on-line information, etc. AV Manager supports all these contents running on plasma TVs, LCD displays, LED signs, video walls, VGA monitors and projectors.AV Manager can be applied at shopping malls, departments, retail shops, club houses, transportations, bar & restaurants, banks, cinemas and showcases, schools & universities, airports and train stations, etc.