EXFO FTB-7000 OTDR for FTB-200 v2 - Manual (Page 248)

Analyzing Traces with the Bidirectional Analysis Application
234 FTB-7000 Series
Modifying Events
6. If desired, from the Type list, select a new event type.
Loss and reflectance are calculated automatically, based on the
position of the markers. Reflectance values are only displayed for
reflective event types (reflective, echo, and possible echo).
7. Press Modify to accept the modifications you have made, or Cancel to
return to the events table without saving the changes.
The modified events are identified with “*” (appearing beside the
event symbol) in the events table of both Edit and Events tabs as
shown below.
Loss and
reflectance values