EXFO OTDR 2 - Manual (Page 143)

Analyzing Traces and Events
OTDR 135
Analyzing or Reanalyzing a Trace
To reanalyze a trace:
1. From the main window, go to the Events tab.
2. Tap .
3. From the Reanalysis dialog box, select an item for setting the span
start and end markers on the trace. On the first analysis after
acquisition, this dialog box is not displayed and the default span start
and end are applied according to acquisition parameters. For more
information, see Defining Launch and Receive Fiber Settings on
page 54.

Keep current span delimiter positions applies the current fiber
span upon trace reanalysis.

Reset span delimiters according to current acquisition
parameters applies the fiber span defined in the Extended
Acquisition Parameters upon trace reanalysis.
4. Tap OK to confirm.