... Function. Two indepen dent signalssimultaneous observation20MHz/40MHz Dual Channel10 times sweep magnificationTV Synchronization,X-Y ... 8DIV, Frequency response with-3dB.)Vertical modesCH1,CH2,DUAL,ADDChopping repetition frequencyApprox. 250KHzInput couplingAC, GND, ... (Reference at center graticule)TRIGGERINGTriggering sourceCH1,CH2,LINE,EXTCouplingAC: 20Hz to full bandwidthSLOPE+/-Sensitivity20Hz~2MHz: ...