Common Analysis and Display Functions
R&S
®
FSW
535User Manual 1173.9411.02 ─ 19
7.5.4.2 Defining Limit Lines
Limit lines are configured in the "Lines Config" dialog box. To display this dialog box,
do one of the following:
●
Press the LINES key and then the "Lines Config" softkey, then select the "Lines
Config" tab.
●
In the "Overview", select "Analysis" and then the vertical "Limit Lines Config" tab.
Limit lines for spurious and SEM measurements
Note that for spurious and SEM measurements, special limit lines can be defined for
each frequency range, see chapter 5.6.4.2, "Limit Lines in SEM Measurements",
on page 201 and chapter 5.7.3.2, "Limit Lines in Spurious Measurements",
on page 241. It is strongly recommended that you define limits only via the "Sweep list"
dialog for these measurements, not using the LINES key.
Any changes to the special limit lines are automatically overwritten when the sweep list
settings are changed.
The following tasks are described here:
●
"How to find compatible limit lines" on page 535
●
"How to activate and deactivate a limit check" on page 535
●
"How to edit existing limit lines" on page 536
●
"How to copy an existing limit line" on page 536
●
"How to delete an existing limit line" on page 536
●
"How to configure a new limit line" on page 536
●
"How to move the limit line vertically or horizontally" on page 537
How to find compatible limit lines
► In the "Line Config" dialog box, select the "View filter" option: "Show compatible".
All stored limit lines with the file extension .LIN in the limits subfolder of the
main installation folder of the instrument that are compatible to the current mea-
surement settings are displayed in the overview.
How to activate and deactivate a limit check
A limit check is automatically performed as soon as any of the limit lines is activated.
1. To activate a limit check:
Select the "Check Traces" setting for a limit line in the overview and select the
trace numbers to be included in the limit check. One limit line can be assigned to
several traces.
The specified traces to be checked are compared with the active limit lines. The
status of the limit check is indicated in the diagram.
2. To deactivate a limit line, deactivate all "Traces to check" for it.
To deactivate all limit lines at once, select the "Disable All Lines" button.
Display and Limit Lines
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