Viavi 8100 V2 Series User Manual page 125

NOTE
Each note is associated with an event. Consequently, if the event is deleted,
the note will be deleted too.
To enter a note:
1 In the menu: Setup > Analysis > Event Notes, the Notes option must be
selected
2 On the Results page, in the table, select the event
3 Press Advanced
4 Press Notes
5 Enter the text of the note in the edit menu that appears
6 Press Enter and then Exit.
The notes are displayed under the selected event, in the results table.
Uncertainty of results
In the table of results, the user can display indicators to evaluate the uncertainty of the
result. This function must be validated in the S
The following cases are possible:
Indicators concerning attenuation measurements
Result of a manual measurement between the reference and the cursor
2c manual
using the 2-cursors method.
Result of a manual measurement using the 5-cursors method.
5c manual
The attenuation displayed is a global result for Fresnel reflections which are
Global
not sufficiently separated.
As several events are too close together, only the attenuation of the last one
Close evts
is displayed.
Indicators concerning measurements of slope
Measurement of slope by the least square approximation method without
Few pts
using many points of acquisition.
Measurement of slope by the 2-point method.
2 points
User Manual
Chapter 3 Reflectometry measurements
Advanced functions in Expert OTDR mode
menu, on the
ETUP
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Notes Evt. line.
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