EXFO FastReporter 2 - Manual (Page 147)

Working with OTDR Files
Post Processing Software 137
Managing Markers
To modify the marker position:
Select the marker from the graph area and drag it to the desired position to
modify the marker position.
OR
Select the marker from the graph area and move the marker by scrolling
the mouse wheel forward and backward.
OR
Modify the marker position in the Markers table by entering a new marker
position value direct input from the keyboard.
OR
Select the required marker(s) and move the selected marker(s) by clicking
the left and right arrow keys of the keyboard.
Note: You can select the next visible marker by pressing the Ctrl + Tab keys.