EXFO OTDR 2 - Manual (Page 58)

Testing Fibers
50 OTDR
11. Once the analysis is complete, save the trace by tapping Save in the
button bar.
The application will use a file name based on the autonaming
parameters you defined (see Naming Trace Files Automatically on
page 18). This file name appears in the status bar.
The files that have to be saved are sent in the default file folder
(see Setting the Default Storage Folder on page 78).
Note: The application will only display the Save As dialog box if you have
activated the feature to always be prompted when you save a file. From
this dialog box, you can change the location, the file name and the file
format.
Even if you modify the name of the file, next time you save a trace, the unit
will prepare the next file name by incrementing or decrementing the suffix.
11a.If necessary, change the folder to which the file will be saved by
tapping the parent folder button until you reach the desired
location.
11b.If necessary, specify a file name.
12. Tap OK to confirm.