... SourceCH1,CH2,LINE,EXTTrigger CouplingAC,DC,LFR,HFRTrigger Slope“+”, “-”, TV Sync.Trigger sensitivityModeOS-3060G(INT/EXT)AUTO0.5DIV/50mV(20Hz-10MHz)1 ... -10MHz)1.5div/150mV(10MHz-40MHz)TV1div/200mV(sync signal)Trigger OffsetINT:±4 div or more , EXT:±4div or moreMax. input ...