Reference Trace Function; Use Of The Reference Trace Function In The Result Page - Viavi E4123MM User Manual

To show all the traces again, long click on one trace number and click on Show All
Traces.

Reference Trace function

The reference trace function consists in defining trace(s) which will be «blocked» on
screen and used as models before acquiring or loading other standard trace(s).
Use of the reference trace function in the Result
page
Once one or several trace(s) is/are displayed, after an acquisition or loaded from the
explorer:
1 If several traces are in overlay, check the correct current trace is selected: its
number is displayed in purple and underlined.
2 Long click on this trace number.
A new menu displays.
3 Click on Set curve As Reference.
– The active trace becomes the reference trace: the trace
number is displayed with square brackets and with a REF indi-
cator
To define all the traces displayed as reference traces, click on Set All As Reference key
(whatever is the active trace).
NOTE
If several traces are defined as reference traces, the color of the REF mark
differs for each trace:
Removing the reference trace(s)
To change one reference trace into a «standard» trace, select it using the trace number
menu, and, after a long click to open the menu, click on Reset Reference.
To change all the reference traces displayed into «standard» traces, whatever is the
active trace, long click on a trace number and, in the menu, click on Reset All Refer-
ence.
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User Manual
Chapter 3 Expert OTDR function
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700MAN201 Rev. 004
Advanced functions
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