... energy, AC/DC voltage, AC/DC current standards;2.4. DC output is separated from AC output;2.5. Output voltage short circuit, output current open circuit ... is the same, and add DC 1mA step;3.9. DC voltage & current output wave≤1%;3.10. Output voltage, current, power stability 0 ... 1%;3.12. Each phase's rated output capacity of voltage & current is 20VA; output DC voltage, current rated capacity is 15VA;3 ...