Keysight A Series User Manual page 72

CAT (Cable and Antenna Test) Mode
2-Port Insertion Loss Measurements
— Press Sweep 3, then select a Resolution setting.
— Press Cal 5, then perform a calibration. Learn more on "How to Perform a
Calibration" on page 137.
— Connect the DUT and view the insertion loss measurement results.
When measuring very long lengths of cable, it may be necessary to increase
the sweep time. Learn how on page 66. Learn how in the Supplemental Online
Help at:
https://www.keysight.com/us/en/lib/resources/service-manuals/keysight-fi
eldfox-library-help-and-manuals-2153870.html (Keysight FieldFox Library,
Help and Manuals – FieldFox Online Supplemental Help).
72 Keysight N9927-90020 User's Guide