beautypg.com

Graph – EXFO OTDR 2 User Manual

Page 102

background image

Analyzing Traces and Events

94

OTDR

Graph

Graph

The events, that are detailed in the events table (see Events Tab on
page 99), a
re marked by numbers along the displayed trace.

Some items in the trace display are always visible, while others will appear
only if you choose to display them.

The green rectangle on the Y axis (relative powers) indicates the proper
injection level range for the defined test pulse.

Note: For multimode measurement, the location of the injection level depends on

the type of fiber that you select.

Default

injection

level

Event no. 4

Events table

Distance
units