... Triggering Function. Two indepen dent signalssimultaneous observation20MHz/40MHz Dual Channel10 times sweep magnificationTV Synchronization,X-Y mode ... 100KHz, 8DIV, Frequency response with-3dB.)Vertical modesCH1,CH2,DUAL,ADDChopping repetition frequencyApprox. 250KHzInput couplingAC, GND, DCMaximum input ... equally)Isolation between channels (At 5mV/DIV range)>1000:1 at 50KHz; >30:1 at 15MHz/>30 ...