EXFO FTB-7000 OTDR for FTB-200 v2 - Manual (Page 233)

Analyzing Traces with the Bidirectional Analysis Application
OTDR 219
Modifying the Alignment of Unidirectional Traces
To modify the alignment of A->B or B->A trace:
1. From the main window, select the Alignment tab.
2. Under Direction, select A->B or B->A.
3. Define the span event location by moving marker A along the trace
using one of the following methods:
³
Drag marker A to the desired span event location.
³
Use the selection dial (located on the front of the unit) to move
marker A.
³
Enter a distance value in the Position box, and press .
³
Use the single-arrow buttons to move marker A on the trace.
³
From the small table of events, press directly the row
corresponding to the existing event that you would like to
designate as a span event.
Note: Each of these elements may lead to the creation of a new event, except the
new location corresponds to an already existing event on the trace.