Cursors, In Spectrum Display; Zoom Access, In Spectrum Display; Trace Shift Access, In Spectrum Display - Viavi 8100 V2 Series User Manual

Chapter 10 Polarization Mode Dispersion Measurement
Display of results
NOTE
When several acquisitions are performed, the trace resulting from the last
acquisition is displayed.

Cursors, in spectrum display

To move the cursor(s) on the trace:
1 Press
2 Use the direction arrow keys
or
With touchscreen, directly press on trace to position the cursor(s)
The coordinates of each cursor intersection with the trace are indicated under-
neath the trace:

Zoom access, in spectrum display

In order to zoom in on the trace:
1 Press the
2 Use the direction arrow keys to zoom in either horizontally or vertically.
or
Use touchscreen to position upper left and bottom right location of the zoom area
The zoom is made around the selected cursor(s).
NOTE
To reset the zoom and see the full trace, press

Trace shift access, in spectrum display

To shift the trace horizontally or vertically:
1 Press the
2 Use the direction arrow keys
or
With touchscreen, touch and hold the screen to make the required shift.
348
Cursor A / Cursor B menu key to select one or both cursor(s).
Zoom/Shift menu key to display Zoom,
Zoom/Shift soft key to select Shift function.
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and or and
Full
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scale.