... meter reading: Volts, Current, Watts, Frequency, Power Factor, and VA,kgCO2.The unit will start to accumulate kwh and powered during time(hour ... cumulative time since power was applied to the the unit.3.The A/W is a toggle function key, Press Amp Key once ... for output current(Amps) display, press key for 3 sec to set the limit to power, where alarm ...