EXFO FTB-700 for FTB-1 - Manual (Page 69)

Testing Fibers in Template Mode (optional)
OTDR 61
Acquiring the Reference Trace
5. Once the analysis is complete, save the trace by pressing Quick 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 24). This file name appears at the top of the graph and at the top
of the linear view table.
Note: The application will only display the Save File 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.