Chapter 3 Reflectometry measurements
Advanced functions in Expert OTDR mode
Provided the event memorization icon
following the acquisition is carried out using the events which were present before the
acquisition.
If you wish to make a measurement without events, deactivate memorization of events
by pressing the
Overlay trace function
This very useful function enables up to eight traces to be displayed on the screen at
once:
•
either to compare traces acquired on a number of different fibers in the same
cable,
•
or to observe changes over time in traces taken of one and the same fiber.
Figure 53
Example of overlaid traces
Overlaying several traces stored in memory
To display up to 8 traces from the memory, deleting the current trace(s) already loaded:
1
Press the F
2
Select the files of the traces for display.
96
Free Events
key.
button.
ILE
User Manual
is displayed, the automatic measurement
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