Svantek SVAN 977A - 11.3 Configuring FFT spectra view; 11.3.1 Presentation of FFT spectra

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SVAN 977A User Manual
There are two averaging options (Averaging):
Linear and Exponential. In case of
Exponential averaging, the Time Constant
parameter appears in this screen. You can
select: 100ms, 125ms, 200ms, 500ms, 1.0s,
2.0s, 5.0s or 10.0s.
►
You can easily get into the FFT screen from
the spectrum view. It is necessary to enter the
function field (FFT) with the ▲ / ▼ key and
press <ENTER>.
<ENT>
11.3 CONFIGURING FFT SPECTRA VIEW
The Display section contains elements for
programming measurement result
presentation and display parameters.
The following positions are used for setting up
the presentation of FFT results:
Display Modes allowing to switch on the Spectrum view;
Display Scale allowing to adjust scales of a spectrum plot and toggle the grid;
Spectrum View allowing to select spectra to be viewed: instantaneous, averaged, maximum or minimum;
Spectrum Type allowing to change the spectrum type presented on the display in vibration modes:
acceleration, velocity or displacement. This position appears in the vibration modes.
11.3.1 Presentation of FFT spectra
Spectrum plot view
The Spectrum position in the Display Modes
list becomes available for the FFT function. It
enables/disables the spectrum plot view.
=>
Spectrum view fields
1. Analyser function
2. Cursor position
3. Value for the cursor position
4. Averaging used
5. Spectrum plot
6. Frequency weighting filter
7. Total value
8. Line frequency for the cursor position
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