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By the use of markers fixed frequencies and the current speed can be highlighted in the spectrum.
 Measurement chart with markers
The selected markers appear in the measurement chart.
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 Settings for markers
The settings can be made for each marker separately. The columns offer the following settings:
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Name
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Name of marker, freely selectable.
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Short
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An abbreviation for the marker that is displayed in the diagram, freely selectable.
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Mode
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Speed factor x fn. The marker is specified as factor to speed. Fixed frequency f abs. A marker is set at a fixed frequency.
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Value
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Disclosure of the multiple of the speed frequency (x fn) or entering any frequency (f abs).
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on
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Activates (resp. deactivates) the marker in the measurement chart.
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Hrm.
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Number of harmonics to be indicated as a marker in the measurement chart.
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FG
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Foreground color. The text in the markers will be written in this color.
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BG
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Background color of the markers.
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Navigation
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3 navigation buttons..
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 Speed source
Selecting the speed source to display speed markers (and multiple).
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 Navigation
By means of the navigation buttons you can quickly select the magnitudes of the envelope analysis.
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When clicking the cross hairs, VM-FFT directly zooms in on the damage frequency of the respective bearing component.
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By means of the arrows, the measurement chart is set to the previous resp. next harmonic.
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