R&S ZVL GUI Reference
Channel Menu
Operating Manual 1303.6580.32-06
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The Define Segments dialog contains a table to edit the individual segments of the sweep range. Sweep
segments must not overlap, however, two adjacent segments can have one common point; see Columns
in the Define Limit Line table.
Below the table, three groups of controls provide additional settings. Refer to the following sections below:
• Inserting and Deleting Segments
• Individual Settings
• Point List, Segment Import and Export
Columns in the Define Limit Line table
The table contains an automatically assigned current number for each segment plus the following editable
or non-editable columns:
• On provides check boxes to activate or deactivate each individual segment. Sweep points
belonging to inactive segments only are not measured and not listed in the Point List.
• Start is the stimulus (x-axis) value of the first point of the segment. If the segment contains more
than one Point, then Start must be smaller than the Stop value. If a Start value equal to or larger
than the current Stop value is set, Stop is adjusted to the new Start value plus 1 Hz.
• Stop is the stimulus (x-axis) value of the last point of the segment. If the segment contains more
than one Point, then Stop must be larger or equal than the Start value. If a Stop value equal to or
smaller than the current Start value is set, Start is adjusted to the new Stop value minus 1 Hz.
• Points is the number of sweep points in the segment. A single segment can consist of only one
point, however, the entire sweep range must contain at least 2 distinct frequency points. If Points
is set to 1, then the Stop frequency is set equal to the Start frequency.
• The remaining columns show the channel settings for each segment. They are displayed only if
they are selected in the Individual Segment Settings panel.
When a new segment is defined or when the stimulus range of a segment is modified, the analyzer
automatically checks whether it is compatible with the existing segments. The Start and Stop
values of the existing segments are modified so that there is no overlap between any of the
segments. If this is not possible (e.g. because of the limited frequency range of the analyzer), the
entry of the new Start or Stop value is denied.
Use the paste marker list for convenient entry of Start and Stop values.
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