... LCD back-light Advanced Trigger Functions Automatic Measurement up to 250MS/s real time sample rate 3.7"TFT handheld digital ... Replaceable Li-ion Battery Back-up LCD back-light adjustment Support 3.8”TFT panel Application:1. Design and Debug2 ... , Delay A→B , Delay A→B Waveform math +,-,×,÷, Inverted Digital Multimeter Testing Voltage, Current, Resistance, Capacitance, Diode, Continuity Multimeter ...