EXFO FIP-400B Fiber Inspection Probe and ConnectorMax2 - Manual (Page 54)

Inspecting Fiber Ends
48 FIP-400B
Inspecting Fiber Ends (Single Fiber and Transceiver - Fiber Receptacles)
7. Depending on the probe you are using, proceed as follows:

If you have an FIP-420B, activate the auto centering, then adjust the
magnification level and the image focus to have the best view of
the fiber end.

If you have an FIP-430B, activate the auto centering and the auto
focus.
For more information, see Analyzing Captures on page 64.
8. If the fiber end is dirty, remove it from the probe, clean it and
reinspect it.
9. Once you are satisfied with the inspection, when in high magnification
level, press Capture.
OR
Press the Fiber Inspection Probe handset button.
10. Go to the next connector or close the application.