... support) Dual Input Channels Advanced Trigger Functions Automatic Measurement Support Replaceable Li-ion Battery Back-up LCD back ... Normal, Single Sampling Mode Normal, Peak detection, Average Waveform Measurement V and T between cursors; PK-PK, Average,RMS ... , Frequency,Cycle. Waveform storage 4 waveforms Automatic Measurement PK-PK, Average, RMS, Frequency, Cycle. Waveform math ...