HP 8712ES User Manual page 80

NOTE
Figure 3-9
Making Measurements
Measuring S-Parameters using a Two-Port Calibration
Changing sweep frequencies (and other source parameters) may affect
your calibration. See
Connect the DUT.
12. Measure the test device with adapter B in place as shown in
Figure 3-9.
Equipment Setup for an S-Parameter Measurement of a
Noninsertable Two-Port Device
3-28
Chapter 6 for more information.
ES User's Guide