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 Fine grid
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Activates display of the grid.
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 Grid density
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Activates grid lines at all graduation marks of the Y axis.
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 Permanent autoscaling
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If activated, VM-FFT 3D will rescale Y axes each time the measurement chart is refreshed.
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 Log Amplitude
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Activates the logarithmic display of the y-axis.
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 Axis height
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The height of the diagram can be adjusted by entering values between 20% and 100%.
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 Shift curves
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Shifts all traces together into the desired direction.
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 Synchronize 2D display
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Activates synchronization with 2D display of the frequency analysis. Switch into 2D display by clicking on the button  .
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 Fill out
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To improve visibility several elements of the measurement chart can be displayed filled. Curve, Side wall, Floor and Back wall can be seleceted.
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 Compress / Spread curves (X)
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Compresses or spreads the measurement curve in its frequency extension.
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 Compress / Spread curves (Y)
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Compresses or spreads the measurement curve of all traces in Y direction.
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