Keysight FieldFox B Series User Manual page 743

Once limit lines have been built from the trace, changes that you make to the trace, such as
frequency range, do NOT change the limits. However, the limit line properties can be edited just like
standard limit lines.
Figure 30-7 A lower limit line (red) built from the trace (yellow) shifted down 5 dB.
How to Build Limit Lines from a Trace
Build from Trace is NOT allowed for traces with more than 1001 data
points.
1. Select the trace from which limits will be built.
2. Press Limit 8 > Edit
3. Use the arrows to select ON.
4. Use Offset to shift the limit line UP or DOWN. Learn how below.
Limit Options
How to set Limit Options
1. Press Exit if the limit table is visible.
2. Then Options.
3. Then choose from the following:
— Beep
— On Pass
— On Fail
— Off
Keysight N9938-90006 User's Guide
Data Analysis Features
All about Limit Lines
Build From Trace. A limit line table appears.
>
Audible beep sounds when a sweep passes.
Audible beep sounds when a sweep fails.
No audible beep sounds.
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