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Contents
OTDR
v
Graph View .........................................................................................................................100
Linear View .........................................................................................................................102
Summary Table ...................................................................................................................104
Events Tab ...........................................................................................................................106
Measure Tab .......................................................................................................................110
Trace Info. Tab ....................................................................................................................110
Displaying the Graph in Full Screen ....................................................................................111
Selecting the Default View ..................................................................................................113
Automatically Displaying the Event Table after Acquisitions ...............................................115
Automatically Zooming in on the Fiber Span ......................................................................116
Using Zoom Controls ..........................................................................................................117
Setting Trace Display Parameters ........................................................................................120
Customizing the Event Table ...............................................................................................122
Displaying or Hiding a Trace ...............................................................................................124
Clearing Traces from the Display .........................................................................................126
Viewing and Modifying Current Trace Settings ...................................................................127
Modifying Events ................................................................................................................132
Inserting Events ..................................................................................................................136
Deleting Events ...................................................................................................................138
Managing Comments .........................................................................................................140
Changing the Attenuation of Fiber Sections .......................................................................142
Setting the Analysis Detection Thresholds ..........................................................................144
Analyzing or Reanalyzing a Trace ........................................................................................147
Analyzing the Fiber on a Specific Fiber Span .......................................................................149
Enabling or Disabling the Detection of Reflective Ends of Fiber ..........................................150
Swapping Traces .................................................................................................................154
Opening Trace Files .............................................................................................................155
11 Analyzing the Results Manually .............................................................. 159
Selecting the Attenuation and Loss Values that Will Be Displayed ......................................159
Using Markers .....................................................................................................................161
Getting Event Distances and Relative Powers ......................................................................162
Getting Event Loss (Four-Point and Least-Square Approximation) ......................................163
Getting Attenuation (Two-Point and Least-Square Approximation) ....................................168
Getting Reflectance ............................................................................................................170
Getting Optical Return Loss (ORL) .......................................................................................171
12 Managing Trace Files from the OTDR Test Application .......................... 173
Saving a Trace in a Different Format ...................................................................................173
OTDR Trace File Compatibility .............................................................................................174
Copying, Moving, Renaming, or Deleting Trace Files ..........................................................176