EXFO FTB-7000 OTDR Series for FTB-500 - Manual (Page 116)

Testing Fibers in Template Mode
102 OTDR
Acquiring Traces in Template Mode
3d. If you want to automatically apply the fiber span defined in the
template reference trace to all acquired traces, select the
Apply reference fiber span to current traces during
post-processing check box.
If you clear the box, the analysis will be performed on the
common portion of the areas delimited by the span start and end
of the reference trace and the span start and end of the main
trace.
3e. Press Apply to confirm, then OK to return to the main window.
Once Template mode is selected, the reference trace is displayed
in red on the graph.
3f. If you selected Reference Update at step 4b, update your
reference trace as follows:
3g. Press Start.
If the first connector check feature is enabled, a message will
appear if there is a problem with the injection level (see Enabling
or Disabling the First Connector Check on page 54).
All traces will automatically be acquired and analyzed, and the
events will be identified.
Note: In offline operation, instead of pressing Start to acquire traces, you simply
recall traces stored on the hard disk of the FTB-500.