EXFO OTDR 2 - Manual (Page 71)

Testing Fibers
OTDR 63
Enabling the High-Resolution Feature
To enable the high-resolution feature:
1. From the main window, select the OTDR tab then tap the
button.
2. Under Advanced Parameters, select the High-resolution acquisition
box.
Note: If your OTDR supports singlemode, singlemode live, or multimode
wavelengths, the high-resolution feature will be activated either for the
singlemode, singlemode live, or multimode wavelengths, depending on the
selected fiber type.
3. Tap OK to return to the main window.