EXFO FastReporter 2 - Manual (Page 247)

Working with iOLM files
Post Processing Software 237
Customizing the Elements Table Tab
You can edit the properties for iOLM elements and sections. Event
properties that cannot be edited are shaded.
To edit iOLM element properties:
1. Click on the element or section for which you want to change the
properties.
2. On the Measurement menu, select iOLM, select Element, and click
Properties.
3. Modify the properties as needed. The editable values are shown in a
white background.
4. Click OK to confirm your changes.