1Adopt the Direct Digital Synthesizer (DDS) technology and provide stable, precise, pure and low distortion signals 22.4 inch TFT Color LCD with 320x240 resolution, displaying parameters and graphics of the two channels at the same time 3The instrument uses 14-bit high-speed D/Aconverterchip (5Vpp output quantization error is less than 1mV), 250MSa/s sample rate, 14bits vertical resolution 4Can output up to 97 groups of functions / arbitrary waveform, contains 33 groups of preset waveforms and 64 groups of user-defined waveforms.Preset waveforms:Sine, Square (Duty Cycle adjustable), Pulse (Pulse width and cycle time can be set accurately) 5Enable to store 64 arbitrary waveform data files, each one of waveform storage depth 8192points* 14bits