Reference Trace Function; Using The Reference Trace Function In The Result Page - Viavi 8100 V2 Series User Manual

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).
Using 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
2 Go in the Advanced menu
3 Click on Overlay
4 Click on Set curve As Reference key.
The active trace becomes the reference trace;
• the icon
To define all the traces displayed as reference traces, click on Set All As Reference key
(whatever is the active trace).
Removing the reference trace(s)
To change one reference trace into a «standard» trace, select it using the Trace/
Summary key or click on the trace number, and in the Advanced > Overlay menu, click
on Reset Reference
To change all the reference traces displayed into «standard» traces, whatever is the
active trace, go in the Advanced > Overlay menu and click on Reset All Reference.
Performing an acquisition once one or several trace(s) is/are
defined
Three situations can occur once an acquisition is performed:
• Only reference trace(s) is/are displayed: the trace acquired is added to the refer-
ence ones.
• Reference trace(s) and «standard» trace(s) are displayed: the reference trace(s)
are «blocked», the standard ones are removed and the new trace acquired is
displayed with the reference one(s).
appears on the upper right hand part of the results table.
User Manual
Chapter 3 Reflectometry measurements
Advanced functions in Expert OTDR mode
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