EXFO OTDR 2 - Manual (Page 42)

Preparing Your OTDR for a Test
34 OTDR
Setting the Analysis Detection Thresholds
5. If you want to apply the test configuration information to the current
acquisition, proceed as follows:
5a. Tap the Copy to Current Acquisition button.
5b. 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.
6. Tap OK to return to the main window.
The analysis detection thresholds you have just set will be applied to future
traces.