Adding Traces In Overlay; Swapping Overlay Traces - Viavi T-BERD/MTS 2000 User Manual

• The OTDR markers are referenced on the active trace by the symbol
the other traces by vertical dashes.

Adding traces in overlay

With one or more traces already displayed, to add further traces to the display (the
number of traces displayed cannot exceed 8):
1 Define at least one trace as reference (see
page 90)
2 Press the F
ILE
added.
3 Press Load key.
4 Press the View Trace(s) or
When loading is complete, the new traces are displayed in overlay with those that
were defined as reference traces
NOTE
If the number of files selected exceeds the display capacity, a message gives
warning that loading will be incomplete: only the trace or traces selected first
will be displayed, up to the permitted limit of 8 traces.

Swapping overlay traces

Measurements can only be made on the active trace and not on overlaid traces. To make
measurements on a trace in overlay, it must first be swapped with the active trace.
1 Press the Trace
2 Press the
trace is displayed in green.
or
Click on the trace numbers in the upper right side of the result page
until the trace desired is selected.
Chapter 5 Launching a reflectometry test and displaying results
button, and in the Explorer , select the files of the traces to be
Load Trace + Config.
key,
and direction keys, as many times as necessary, until the active
User Manual
Advanced functions in Expert OTDR mode
"Reference Trace function" on
(see."Reference Trace function" on page
77000010208 Rev. 012
, and on
90)
traces
numbers
89