VectorStar™ MS464xB Series Microwave Vector Network Analyzer Operation Manual : User Interface Display : Working with Limit Lines
 
Working with Limit Lines
Limit lines are a powerful tool to help compare a set of measured DUT data against specifications or expectations. Limit lines are:
Can be configured as settable maximum and/or minimum indicators for the value of displayed data on a per-trace basis
Available only for VectorStar rectilinear displays only
Not available for VectorStar circular polar and Smith charts.
Settable in the basic units of each trace
Rescaled automatically and maintain their correct value if the trace display is rescaled.
Are limited to a total of 50 segments (upper and lower combined) per-trace.
For dual displays, such as the Log Mag And Phase display, the segment limit is 50 segments for the top display and 50 segments for the bottom display.