Keysight N432A Programming Manual page 241

CALCulate[1]|2|3|4:RELative Commands
These commands enable comparison of a measurement result to a reference
value.
Within the CALCulate block, the relative value is applied to the measurement
signal after any math calculations and display offsets have been included.
The commands are described in this section:
CALCulate[1]|2|3|4:RELative[:MAGNitude]:AUTO <boolean>|ONCE
CALCulate[1]|2|3|4:RELative:STATe <boolean>
Keysight N432A Programming Guide
CALCulate Subsystem 4
241