EXFO FastReporter 2 - Manual (Page 124)

Working with OTDR Files
114 FastReporter 2
Changing OTDR Settings
3. Select how you want to set the thresholds:

If you want to use the threshold values from the measurement file,
select the corresponding option. However, if you are working with
older file versions, the threshold values may not be available.

If you want to use the threshold values from the application,
proceed as follows:
Select one or several wavelengths to modify.
If you do not see the wavelength you want to use, you can add it by
clicking the
button, entering the wavelength value, and clicking
OK.
Modify the thresholds associated with the wavelengths needed, by
clicking in the desired threshold value and modifying it in the table.
The Apply option must be enabled for the threshold to be active
and modifiable.
Note: If you are using the fiber attenuation section threshold, you can specify the
minimum section length at the bottom of the table.