EXFO FastReporter 2 - Manual (Page 69)

Working with Projects (FR2-FC Mode)
Post Processing Software 59
Working in Loopback Mode
4. Set the automated documentation for your resulting files:
4a. Select which identifiers will be used for the documentation. In
OTDR mode, you cannot change the identifier types. In iOLM
mode, you need at least two identifiers, either from the list of
available choices, or you can enter a new identifier of your
choice. The first identifier will be the one with the highest
occurrence rate in the corresponding identifiers of the selected
files. If no values were set, the first two default identifiers are
Cable ID and Fiber ID.
Note: You can have four identifiers for OTDR files, and up to five identifiers for
iOLM files.
To use the identifiers in the file name, select the corresponding
option.