EXFO FTB-700 for FTB-1 - Manual (Page 212)

Analyzing Traces with the Bidirectional Analysis Application (Optional)
204 FTB-700 Series
Viewing Results
Summary Table
The summary table gives, for each wavelength and at each direction, the
status of the results (pass: no results exceed the thresholds, or fail: at least
one result exceeds the thresholds) and the span loss values. A global status
for the bidirectional measurement is also available. The span length
(distance between span start and span end) is also displayed. Values
having a “fail” status appear in white on a red background.
Span length (corresponds to the greatest span length value among
all bidirectional measurements, at all wavelengths)
Span loss of the bidirectional
measurement
Wavelength and fiber type
(between parentheses)