EXFO IQS-12004B DWDM Passive Component Test System for IQS-500 - Manual (Page 362)

COM Objects Reference
350 IQS-12004B
Analysis Interface—Methods
Analysis ClearRefExtZeroTraces
Description This method removes all the initial (zero) traces used in the
calculation of an offset that can be applied to acquired traces
for periodic testing.
Syntax object.ClearRefExtZeroTraces
Parameters None
Response None
Note This method lets you to remove the previously set zero traces.
After clearing the zero traces, you can no longer use the
following methods: GetDriftTrace, GetCorrectedIlTrace.