Operation Method of the Product
iM-PRO VA has two types of states such as a measurement state and a setup state.
1. Display of the Basic Measurement State
*Supplying the power to the iM-PRO VA results in the states as follow:
1)Voltage Display Window: Display of the line voltage between Vr-Vs.(Single Phase:Vr)
2)Current display Window: Display of the phase current of Ir
Button operation in the above states makes the displaying items of the corresponding display window change. Namely, pressing the voltage button once displays the line voltage between Vs-Vt in the voltage display window and the lamps beside the voltage display window lighted on S and T.
The lamp beside the current display window are lighted in accord with the present display items respectively.

The following states are displayed in the basic measurement state.
1)Voltage Display Window: Display of the line voltage between Vr-Vs.(Single Phase:Vr)
2)Current Display Window: Display of Ir phase current
2. Circulated Display of the Measuring Elements
Pressing the current button for about 3 seconds in the measurement state, ‘SCrL’is displayed in the voltage display window for about 1 second, and the display items of each window are displayed cyclically every around 3 seconds (Scroll).Pressing the current button for about 3 seconds in the circulated display state, ‘HoLd’is displayed in the voltage display window for about 1 second, and the display items of each window are displayed.
*The display of each window in the circulated display states is as follows.
1)Voltage Display Window: Vrs->Vst->Vtr ->Vr->Vs->Vt (The phase voltage display is for a 3-phase 4-wire system only.)
2)Current Display Window: Ir->Is->It
Setup Method
1. Pressing the voltage button for about 3 seconds in the measurement state enters the setup state. Moreover, the completion of all the setups and return to the measurement state are accomplished by pressing the voltage button for about 3 seconds.
2. Entering the setup state makes the voltage display window displayed with Pt-r, and the value is displayed in the current display window.
3. Utilize the current button or power button to try to change the value. At this point, the display item of the current display window changes.
4. Press the voltage button to display the next items.
Ct-r is displayed in the voltage display window, and the value is displayed in the current display window.
5. If all the setup values are set up completely in this way, pressing the voltage button about 3 seconds makes the setup values saved in the memory, and return basic measurement state.

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