EXFO FTB-7000 OTDR for FTB-200 v2 User Manual
Page 161
Analyzing Traces and Events
OTDR
147
Changing the Attenuation of Fiber Sections
3. Position markers as desired to modify the attenuation value. For more
information on positioning markers, see Using Markers on page 165.
Note: The markers serve only to set the new attenuation value. Their actual
locations will not be modified.
Fiber section loss and attenuation are displayed respectively in the
Loss (LSA) and Att. (LSA) boxes.
4. Press OK to accept the modifications you have made or Cancel to
return to the events table without saving the changes.
The modified fiber sections are identified with “*” in the events table
as shown below.
Loss and attenuation
values
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