EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 96)

Testing Fibers in Advanced Mode
82 OTDR
Setting Pass/Fail Thresholds
To view event status:
1. From the main window, go to the Result tab. The events’ status, at
each wavelength, is indicated by a symbol.
Note: If you see “- - -” instead of a status icon, either there is no threshold, or the
status is unknown. Press Status Details for more information.
2. If you need more information about particular event status, select the
fiber for which you want more information (the row should be
highlighted) and press Status Details.
Pass (green)
Warning (yellow)
Fail (red)