User`s guide

Functions and Measurements 3
N9320A Spectrum Analyzer 63
8 Normalize the trace:
Press > Tracking Generator > More > Normalize > Store Ref (1
→ 3) > Normalize (On)
This activates the trace 1 minus trace 3 function and
displays the results in trace 1 (Figure 23). The normalized
trace or flat line represents 0 dB return loss. Normalization
occurs each sweep. Replace the short circuit with the DUT.
Figure 23 Short Circuit Normalized
MODE
NOTE
The reference trace is stored in trace 3, changing trace 3 to Clear
Write will invalidate the normalization.