Use the OTDR
OTDR Results
219
: The event is hidden by a previous event.
The map shows a dotted line around hidden events and the
event that causes them to be hidden. The tester combines the
loss of all the events that are in the dotted line. To see the
combined loss, tap the event that causes the hidden event (
).
The tester does not show loss measurements for hidden events.
: The event is hidden by a previous event. The reflectance of
the event exceeds the limit. This icon shows only when the test
limit has a limit for reflectance.
The cause of the hidden event. In this example, the cause is a
connector on a short patch cord. The loss of the second
connector is hidden in the attenuation dead zone of the first
connector.
Tap to see information about the selected event.
The event editing function lets you edit loss events. See
“How to Edit a Loss Event” on page 301.
Event Table
The event table shows a list of the events on the fiber. To see the
event table, tap TABLE on the OTDR results screen. Figure 83
shows an example of an event table.
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