Power Meter,Power Monitor(American Style) The LCD shows all meter reading: Volts, Current, Watts, Frequency, Power Factor, etc Power Meter, ... )1.The LCD shows all meter reading: Volts, Current, Watts, Frequency, Power Factor, and VA,kgCO2.The unit will start to accumulate ... 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 ...