EXFO FastReporter Data Post-Processing Software - Manual (Page 117)

Working with iOLM files
Data Post-Processing Software 111
Viewing and Modifying iOLM Thresholds
8. Under Link length Pass/Fail thresholds, view or modify the Link
Length Pass/Fail thresholds value by clicking the desired threshold
value and modifying it in the table. The Apply option must be enabled
for the threshold to be active and editable.
9. If you want to apply the default values for the selected wavelength(s),
press Default Settings.