EXFO OTDR 2 - Manual (Page 50)

Preparing Your OTDR for a Test
42 OTDR
Setting Pass/Fail Thresholds
6. If you want to apply the thresholds you have just defined to one or
several other wavelengths, proceed as follows:
6a. Tap the Copy to Other Wavelengths button.
6b. Select the boxes corresponding to the wavelengths for which you
want to use the same thresholds.
Note: You can use the Select All button to quickly select all boxes at the same
time.
6c. Tap OK to confirm you selection.