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Functions and Screen Modes
27
Harmonics Screen Mode
The Harmonics Screen Mode (Figure 11) uses a set of screens to display
magnitude bars for all harmonics and digital information about the selected
harmonic. Select a harmonic by pressing
and to move the cursor
along the bottom scale. DC,
(the fundamental frequency), and harmonics
through appear on the first screen. Harmonics through appear on
the second screen. Switch between harmonics screens by pressing
when is selected on the first screen or when is selected on the
second screen.
At the top of the screen, the percentage shown compares the selected cursor
magnitude to either the fundamental (%F) or the total rms value (%R)
(fundamental and all harmonics). The Tester also shows the magnitude of the
cursor selection. The frequency of the selected harmonic is shown in Hertz
below the percentage.
Note
The watts harmonic screen always uses the %F (fundamental) definition.