?Vertical resolution of waveform is optimized to 14bit, 266MSa/s sampling rate, more exquisite waveform.Sine wave frequency is optimized to 0.01uHz-60MHZ, square wave is 0.01uHz-15MHz.Each function has independent operating interface, smooth switch without pause. ?Bias adjustment is optimized to -9.99V to +9.99V, more precise.Two channel phase difference adjustment is optimized to 0.1 degrees; the time delay is more accurate. ?2.4-inch high-definition color LCD screen ensures good operation fluency, lots of shortcuts greatly simplifies the operation steps. ?It can use standard PC software to control all machine functions and draw arbitrary waveform, communication protocol publicity makes secondary development very simple. ?Large scale integrated circuit and SMT technology, high reliability, long service life.It has output short circuit protection, all signal output end can work for 60s under the condition of load short circuit.