EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 80)

Testing Fibers in Advanced Mode
66 OTDR
3. Select Advanced mode.
3a. From the main window, press Setup then select the Mode tab.
3b. Under Mode, select Advanced.
3c. Press Apply, then OK.
4. If you want the application to provide automatic acquisition values, set
the autorange acquisition time (see Setting the Autorange Acquisition
Time on page 68).
5. If you want to set your own IOR (group index), RBS coefficient or helix
factor, see Setting the IOR, RBS Coefficient, and Helix Factor on
page 69.
6. Go to the OTDR pane.
7. If you want to test in high resolution, simply select the feature (see
Enabling the High-Resolution Feature on page 74).
I
MPORTANT
Press Apply to ensure the Advanced mode is activated. Otherwise,
the tabs containing the parameters you can set will remain hidden.