EXFO FastReporter 2 - Manual (Page 172)

Working with OTDR Files
162 FastReporter 2
Managing Bidirectional OTDR Files (FR2-FC Mode)
To create a bidirectional file:
1. Select two matched OTDR files of opposite directions.
2. Click on Tools > OTDR > Create Bidirectional Files.
3. Select the location where you want to save the bidirectional file.
4. Select the desired file naming options.

Select A->B filename or B->A filename to use the selected A->B
or B->A file name.

Select Autonaming to enter a prefix and a suffix to create the file
name.