Units Tab (Limit Line Editor)

The Units Tab dialog box in the Limit Line Editor sets the units and reference of the selected limit line. The features of the Units Tab dialog box are:

Units

Domain

Selects the frequency or time domain.

Y Format

Selects Linear Mag, Log Mag or Real (I).

Y Unit

Determines the Y axis units.

Reference

X Reference	Selects the reference for the X-axis.
Y Reference	Selects the reference for the Y-axis.
Y User Ref	Sets the value for the user defined reference. This is active if Relative to User Reference is selected as the Y Reference.
Y Trace Ref	Selects from a list of preset references specified by Keysight Technologies.
Apply	When editing, applies any changes to the limit test on a data trace if the limit test is selected in the Limits Marker. This also automatically saves any changes made to the limit test. If a new limit test is being created, all work is saved but the limit test will not be displayed until it is selected in the Limits marker.