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4-6
Results
* Press the F key to switch between the
upper and the lower window pane.
Calculating the spectrum
from the time wavefrorm
RPM run during
signal measurement
Calculating the spectrum
Based on the time waveform, you can calculate a spectrum that you
can save and measure again.
• Press the MENU key in the result screen.
• Select 'Postprocessing' and click on 'Compute spectrum'.
• Set the parameters in the lower window pane (see below):
- Input signal
Entire signal: the entire signal is used to calculate the spectrum.
Visible signal: the spectrum is based only on the visible signal.
Zoom the display if required*.
Main to Delta: Move the cursor to set the interval.
Start at main: only the signal from the main cursor is being used.
- Averaging mode: Single shot / Averaging
- Window type: Select the appropriate window type (P. 3-24).
• Press the MENU key and click on OK.
The calculated spectrum can be saved and measured again. A
transformation is only possible in the Cartesian display.
Displaying the rpm run
If the rpm is recorded alongside the time waveform, you can display
the rpm run as follows:
• Press the MENU button in the result screen.
• Select 'Postprocessing' and click on 'Compute rpm signal'.
The rpm run appears in the lower window pane.
Left:
Right:
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