... 100MS/s Rise time≤14ns Display 7.8 inch color LCD,STN screen, 640*480 pixels Channel Dual channels+ external ... Probe attenuation 10:1) Input coupling DC, AC Vertical resolution (A/D) 8 bits (2CH simultaneously) Sampling rate / relay time accuracy ... ,Overshoot ,Preshoot,Risetime,Falltime,+Width,-Width,+Duty,-Duty, Delay A Delay A←B Waveform math +, -, FFT Lissajous figureBandwidth 25MHzPhase difference ...