能够产生方波、三角波、正弦波、及阶梯波，并且可以通过选择开关选择相应的频率输出和波形输出；通过按键确定输出的波形及确定是否输出波形.-Able to generate square wave, triangle wave, sine wave, and wave ladder, and can select the appropriate choice of switching frequency output and the waveform output through the keys