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Histogram Control


1. Level Controls
See Scaling Controls (1) and Scaling Controls (2). Changing any parameter here will cause a reset of the matrix.

2. Enable / Disable Axes
See Spectrum Control

3. Raise Value on Match
On a “positive hit” a point is increased by this value. Note that this is just an indicator, the exact value is also influenced by the current value of the point (points with high values are increased by a fraction of the value defined here).

4. Drain Value on Mismatch
On a “negative hit” a point is decreased by this value.

5. Maximum Value
Maximum value a point can reach.

6. Display Resolution
Select if the view should use the full physical display resolution for the matrix (so each point in the matrix corresponds to one pixel), or if a less detailed resolution should be used. Higher resultions require more system ressources for obvious reasons, so only increase this if your system can handle it. Increasing the resolution will automatically reset the Gauss Radius to 1 to avoid overloading the system. Changing the resolution in either direction will cause a reset of the matrix.

7. Gauss Radius
If set to a value higher than 1 a Gaussian Blur filter is applied on the view. This can consume significant system ressources so only enable it if your system can handle it.

8. Peak Fading Time
On measurements with fast sweeps (or replays) burst signals may disappear almost instantly, this value determines the minimum time (in seconds) a signal is visible in the view.

9. Display Mode
The Histogram View can display data in three different modes:


Points Mode: No interpolation, only actual data points are updated.


Lines Mode: Calculates a line between subsequent points and updates all points on this line.

Filled Mode: Like Lines Mode, but also updates all points between the line and the reference level

Changing the Display Mode will cause a reset of the view.

10. Reset Histogram Data
Clear all data and start a new statistic.

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