... display card +main controller card +optic fiber transmission(Optional)6.main technology parameter:1)driving mode:1/4 scan constant current driving ... brightness: hand movement/auto9)video signal: RF,S-Video,RGB,RGBHV,YUV,YC,COMPOSITION etc. managing ability of signal:≥ ... mould optic fiber 20km7.softwareLED studio(SCXK) SCXK opened led display market in Egypt,November,2012 after tracking a Egypt customer ...