Table Of Contents

IVI Spectrum Analyzer Marker Nodes (G Dataflow)

Last Modified: October 23, 2017

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Enables the active marker on the specified trace.
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Sets the marker frequency counter resolution and turns the marker frequency counter on/off.
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Configures the marker peak excursion and marker threshold values. The marker peak excursion specifies the minimum amplitude variation that can be recognized as a peak or minimum by the marker. The marker threshold specifies a lower bound for ALL marker search nodes.
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Enables signal-tracking. When signal tracking is turned on, the spectrum analyzer centers the signal on which the active marker resides after each sweep.
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Disables all of markers.
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Returns the specific driver defined trace name that corresponds to the one-based index specified by the Index parameter.
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Specifies whether the active marker is a delta marker.
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Specifies the type of marker search and performs the search.
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Moves the active marker to the specified horizontal position.
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Returns the horizontal position and the marker amplitude level of the active marker.
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Queries the read-only IviSpecAn>>Markers>>Marker Type>>Marker Type property.
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Returns the amplitude and position of the reference marker.
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Selects one of the available markers, and makes it the active marker. The active marker must be enabled using the IviSpecAn Configure Marker Enabled [MKR].vi before it can be used for most marker operations.
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Uses the IviSpecAn>>Markers>>Marker Position or IviSpecAn>>Markers>>Marker Amplitude property to configure the spectrum analyzer according to value of the InstrumentSetting parameter.

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