1. Voltmeter display area
2. Input/output instructions
3. Key Function Description
1).Short press: input/output display options
2).Normal press: Go to the fine-tuning status. Increase or decrease the offset(the default is 0). When the voltage display inaccurate, please use the Short Press to adjust accordingly, or use Long Press or Normal press to recover.
3).Long press: Go to the low power consumption status. At this time, the digital tube and the lights are off, the module works well. Pree the button again to recover with normal voltage display.
4. Adjust the output voltage
Clockwise----- increase voltage
Counterclockwise----reduce voltage
5. Reverse protection to prevent the diodes from reverse connection
6. High-frequency bypass capacitor to avoid the electric spark