Actions On Trace During Acquisition - Viavi 8100 V2 Series User Manual

3 Once the acquisition for the first wavelength is finished, the acquisition for the
following wavelength starts automatically.
or
To stop manually the acquisition for current wavelength, click on
length. This will allow to automatically start the measurement for the following
wavelength.
The different traces appear in the same window and can be managed as traces in
overlay (see "Display of traces in overlay" on page

Actions on trace during acquisition

During an acquisition, several actions are available on results in progress.
Positioning Cursors A and B
1 Select Cursor A
– Set both cursors A & B to control distance between two points.
– Set one cursor A or B to get the distance from one point.
– Set one cursor A or B to zoom on this cursor
Zooming on trace
1 Select Zoom function:
– use the menu key
– use the menu key
2 Use touchscreen or validation key to zoom in and zoom out on trace (see
function" on page
Shifting the trace (Expert OTDR and Real Time only)
In Expert OTDR and Real time mode only, the trace can be shifted vertically or horizon-
tally during the acquisition:
1 Select Shift function on menu key
2 Use touchscreen or direction keys to shift horizontally or vertically the trace (see
"Shift function (Expert OTDR only)" on page
or Cursor B and:
in Smart Test
in Expert OTDR
75)
User Manual
Chapter 3 Reflectometry measurements
Performing OTDR acquisitions
77).
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Stop Wave-
"Zoom
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