AEMC OX7102-CII User Manual page 110

Harmonic Analysis Mode (cont'd)
Display
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Measurement of the harmonics on channels 1 and 2 :
Measurement of the output harmonics:
The representation of output harmonics is signed.
A black color harmonic indicates a harmonic received (positive by convention).
A light color harmonic indicates a harmonic emitted (negative by convention).
The phase value is measured between the voltage value and current value for a
given harmonic.
Harmonic Analysis Mode - Display
SCOPIX Oscilloscopes