EXFO OTDR 2 - Manual (Page 131)

Analyzing Traces and Events
OTDR 123
Viewing and Modifying Current Measurement Settings
6. If you want to save the modified IOR, RBS, and Helix Factor values for
the next acquisitions performed at the current wavelength, proceed as
follows:
6a. Tap the Copy to Next Acquisition button.
6b. When the application prompts you, select Yes.
Note: The information in the Link Definition and Pass/Fail Thresholds tabs will
be copied to the current acquisition.
7. Tap OK to apply the changes.
You return to the main window.