Two Port Calibration; Quickcal - Keysight N9912A Service Manual

Theory of Operation RF Analyzer
User Calibration in CAT and NA Modes N9912A

Two Port Calibration

Two port calibration applies only when S21 or Insertion Loss measurements are active.
There is no "built-in" or "preset" two port calibration in the analyzer. A normalize calibration must be
performed before making two port measurements.

QuickCal

The QuickCal function mathematically "extends" the preset calibration to the end of a cable or adapter. It is
a firmware only function; it does not involve analyzer hardware.
5-26 Service Guide N9912-90003