... of auto-measuring reference5 triggering functions: edge, pulse, video, slope, alternative2 groups of reference waveform, 20 groups ... channelReal time sampling rate 1GSa/s (single channel), 500M Sa/s(double channel)Equivalent sampling rate 50G Sa/sMemory ... sourseCH1, CH2, EXT, EXT/5, AC LineTrigger typesEdge, pulse, video, alternative, slopeMath Operation+, -, *, /, FFTDigital filterHigh pass, low ...