EXFO FastReporter 2 - Manual (Page 121)

Working with OTDR Files
Post Processing Software 111
Changing OTDR Settings
4. Change the numeric value precision settings for distance and length,
loss, reflectance, attenuation, or ORL, if desired.
These settings also affect span loss, average loss, average splice loss
and maximum splice loss.
5. If you want the zoom area and marker positions to be saved in your
OTDR file, enable the corresponding option. By default, this option is
not selected.