... Track mode and Auto mode * Channel waveform and it's FFT waveform display on split screen * Pop-up Menu ... , DelayTrigger ModesAuto, Normal, SingleTrigger SourceCH1, CH2, Ext, Ext/5, AC LineSave/RecallProvide two groups reference waveforms, twenty groups capture waveforms ... pointsXY ModePhase Error: ±3 degreesSupport the sampling rate : 5KSa/s~200MSa/s (in a 1-2-5 sequence)PersistOff, 1sec, 2sec, ...