Product introduction
Negative pole of the power supply: connected to the negative pole of the power supply, please connect to the front of the board with the output negative pole of the soldering pen: connected to the front of the board with the positive pole of the power supply/the output positive pole of the soldering pen: connected to the positive pole of the power supply and the red soldering pen Note: these two lines should be stacked together, and connected to the reverse side of the board with the gear minus/function setting:
1. As the downshift key: in the main interface, press once to downshift 1 (fine adjustment) 2. As the function setting key: press and hold to enter the setting menu (do not move the setting unless necessary)
Gear on/off:
1. As the upshift key: in the main interface, press once to increase the gear by 5 (coarse adjustment) 2. As the on/off key: press the key for a
