... Synchronizing SignalH: HSync, Compound Sync Signal R: Red Signal, red Sync SignalG: Green Signal, Green Sync SignalB: Blue Signal, blue Sync Signal K1: Synchro Resetting KeyChannel Interface ... (panel silk-screen)When the signal source is RGB(SOG Green Sync Signal, SOR red Sync Signal, SOB blue Sync Signal)three signals, connect R ...