1. Connect the power cord to the 220V, 50Hz AC power supply, and pay attention to the grounding pin of the three-core power socket, so as to avoid interference;

2. Before starting the machine, turn the output knob on the panel to the minimum;

3. In order to obtain sufficient frequency stability, preheating is needed;

4. Frequency adjustment: press the corresponding key, and then adjust to the required frequency;

5. Waveform conversion: Press the corresponding waveform key according to the required waveform type. Waveform selection keys are sine wave, rectangular wave, sharp pulse and TTL level;

6. Amplitude adjustment: the amplitudes of sine wave and pulse wave are adjusted by sine wave amplitude and pulse wave amplitude respectively, so there is no need for manual frequent short-circuit experiment;

7. Output selection: select the "ONOFF" key as required, otherwise there will be no output.