3. Functions of Buttons:
3.1 Keys Programming
Display
Current demand and max. current demand
5 6
I
V F
P PF
H
OK
E
PROG
Display
Frequency, voltage and max. voltage
Display
Apparent power, active power, reactive power, power factor,
watt demand and max. watt demand
Display
Press once:Displaying values in VAH, WH and VarH
Hold:Access to set up mode (Refer to 4.1)
THD voltage and THD current
At the presence of THD display mode, press two buttons simultaneously:
Hold
H
OK
I
or
H
OK
V F
to select individual harmonic
distortion rate
At the presence of individual harmonic distortion rate:
H
OK
to return THD display mode
Display: 4 digits at the maximum figures up to 9999
Decimal point position of The M/K unit: The position of the
decimal point in the M/K unit will automatically be varied with
the rated inputs (CT and PT ratio set-up)
Symbols：
0
。
90
。
180
。
270
。
12
34
The angle lain between a base of
measured voltage and the current
is divided into 4 quadrants.
3.1.1 Symbols of Phase Sequence (Refer to 1.1)
：L3 values in line-neutral; 3-1: L3-L1 line-line voltage
1
2
3
：System Values
Values in line-neutral or line-line voltage：
：Inductive load
：Capacitive load
：Negative watt (Reverse current flow)
Hold simultaneously
H
OK
to change by either default formula
Formulation of THD
P PF
Temporarily displayed legends
Temporarily displayed legends
Hold
Vrms: The RMS Volt waveform
V rms: The RMS Volt on fundamental
frequency waveform
：L2 values in line-neutral; 2-3: L2-L3 line-line voltage
：L1 values in line-neutral; 1-2: L1-L2 line-line voltage
