EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 129)

Customizing the Application
OTDR 115
Displaying or Hiding Pass/Fail Messages
To display the messages:
1. From the main window, press Setup, then select the Thresholds tab.
2. Ensure that the Fail and/or Warning check boxes are selected.
If not, the application will not use the associated thresholds and no
message will be displayed.
3. Under Popup Messages, select the check boxes corresponding to the
desired status.
4. Press Apply to confirm the changes, then OK to return to the main
window.