(5)Power switch when the power switch is placed “ON” Conversely, the
machine is off.
(6)Constant-current setting knob: regulate the knob to set the max current
value or constant current value.
(7)Digital voltmeter: Display the output voltage value.
(8)Voltage regulation output voltage adjusting knob: regulate the output
voltage value.
(9)Voltage regulation indicator light: when the power supply is under the
condition of voltage regulation, the indicator light is on.
(10) Current regulation indicator light: when the power supply is under the
condition of current regulation, the indicator light is on.