AEMC OX 7102 III, User Manual

Page: 120 / 226

Harmonic Analysis Mode - Display
VI - 120 SCOPIX
Harmonic Analysis Mode (cont'd)
Composition
In this mode, the display is divided into 4 functional areas:
1. Display area
Displays the result of harmonic analysis of the selected traces.
The harmonic analysis of the
ch1
and
ch3
trace is shown in a darker color,
while the trace of
ch2
and
ch4
are displayed in a lighter color (or the same
color as the trace).
The display appears as a bar chart, with its vertical axis graduated in terms of
the percentage of the fundamental amplitude (from 0% to 100% every 25%).
The horizontal axis represents the harmonics, i.e.:
•
the fundamental (F) and the first 15 consecutive harmonics
•
the fundamental (F) and the even harmonics from 2 to 30
•
the fundamental (F) and the odd harmonics from 3 to 31
Use this button to display another series of harmonics:
Consecutive harmonic ranges
- from 2 to 16,
- from 17 to 31,
- from 32 to 46,
- from 46 to 61
Even harmonic ranges
- from 2 to 30,
- from 32 to 60
Odd harmonic ranges
- from 3 to 31,
- from 33 to 61
With this breakdown of the harmonics, the stylus can be used to select the
fundamental (F) or one of the harmonics (
Example: Ref. Harmonic 5
) to
perform automatic measurements on the selected element.
•
The "
"
symbol indicates the harmonic selected.
•
See §. "Display" Menu for selection of the harmonics.
Direct access
to main
settings
4. Menu bar
1. Display area
3. Status area
2. Control area
Display of
information on
the traces
Display of
information on
the fundamental
or harmonic
selected
Selection of the
fundamental or a
harmonic
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