EXFO FastReporter 2 - Manual (Page 87)

Working with Projects (FR2-FC Mode)
Post Processing Software 77
Working in Loopback Mode
7. In the Overview step, you can see the resulting bidirectional files. The
remaining identification and threshold data other than the identifiers
will be of the first file in the pair.
Note: In the case of OTDR files, a different file is displayed for each matched
wavelength.
8. Click Next to select the test mode.