... , Current, Watts, Frequency, Power Factor, and VA,kgCO2.The unit will start to accumulate kwh and powered during ... press key for 3sec. to display the cumulative time since power was applied to the the unit.3.The ... Amps) display, press key for 3 sec to set the limit to power, where alarm when overload.4.VA/CO2 ... is toggle function key, Press VA/CO2 Key once to ...