1Vertical resolution of waveform is optimized to 14bit, 266MSa/s sampling rate, more exquisite waveform. 22.4-inch high-definition color LCD screen ensures good operation fluency, lots of shortcuts greatly simplifies the operation steps. 3It can use standard PC software to control all machine functions and draw arbitrary waveform, communication protocol publicity makes secondary development very simple. 4Large scale integrated circuit and SMT technology, high reliability, long service life. 5It has output short circuit protection, all signal output end can work for 60s under the condition of load short circuit.