How to Use: 1. Power on Press the POWER button to turn on the power, and the screen will display the voltage and current values that were set when the machine was turned off last time. 2. Voltage setting Regardless of whether the power supply is in the output state, you can turn the "VOLTAGE" coding switch to set the voltage. When entering the voltage setting state, the currently set "bit" will flash in a flashing manner; turn clockwise to increase the value, and turn counterclockwise to decrease the value . Press the coding switch to shift to the left. 5 seconds after the voltage setting is completed, the flashing stops, and the current setting value is stored. 3. Current setting Regardless of whether the power supply is in the output state, you can turn the "CURRENT" coding switch to set the current. When entering the current setting state, the currently set "bit" will flash in a flashing manner; turn clockwise to increase the value, and turn counterclockwise to decrease the value . Press the coding switch to shift to the left. 5 seconds after the current setting is completed, the flashing stops, and the current setting value is stored. 4. Output switch Short press the "Output" button on the panel to switch the power output and shut down. 5. OCP short circuit WPS model: Press the "CURRENT" codes switch for 3 seconds to turn on (or turn off) the OCP short circuit alarm function. Specification: Item Type: DC Power Supply Material: Metal Plate+ABS Model: WPS3010H Purpose: Voltage Debugging Output Voltage: 0V-30V Output Current: 0A-10A Output Power: 300W Package List: 1 x DC Power Supply 1 x Power Cord 1 x Load Line 1 x Manual