R&S
®
ZVA / R&S
®
ZVB / R&S
®
ZVT GUI Reference
Trace Menu
Operating Manual 1145.1084.12 – 30 226
trace file is selected, the Properties of Imported Segments dialog with further global import options
is opened.
Imported traces are polygonal curves with n points and n – 1 segments. The number of points n is set via
Channel – Sweep – Number of Points. The n – 1 segments are appended to the current segment table for
further editing. Existing limit line segments are not overwritten.
To import a limit line file (*.limit) you can also use the Windows Explorer and simply double-click the
file or drag and drop the file into the NWA application. You have to switch on the limit check separately.
Use the paste marker list for convenient entry of Start and Stop values.
Columns in the segment table
The table contains an automatically assigned current number for each segment plus the following editable
columns:
Type indicates whether the segment belongs to an Upper or a Lower limit line, or if the limit check
at the segment is switched Off. Switching off the limit check does not delete the segment but
changes its screen color.
Start Stimulus is the stimulus (x-axis) value of the first point of the segment.
Stop Stimulus is the stimulus (x-axis) value of the last point of the segment.
Start Response is the response (y-axis) value of the first point of the segment.
Stop Response is the response (y-axis) value of the last point of the segment.
The limit line segment is calculated as a straight line connecting the two points (<Start Stimulus>, <Start
Response>) and (<Stop Stimulus>, <Stop Response>); see Rules for Limit Line Definition.
CALCulate<Chn>:LIMit:CONTrol[:DATA]
CALCulate<Chn>:LIMit:DATA
CALCulate<Chn>:LIMit:SEGment<Seg>...
CALCulate<Chn>:LIMit:UPPer...
CALCulate<Chn>:LIMit:LOWer...
CALCulate<Chn>:LIMit:DELete:ALL
MMEMory:STORe:LIMit
MMEMory:LOAD:LIMit
Multi-Selection of Limit Line Segments
In the Define Limit Line dialog it is possible to edit several limit line segments at the same time. Selection
of one or more segments (use the left mouse key and the Shift key of an external keyboard) and a right-
click on the dark grey Seg. area opens a context menu:
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