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Using graph markers – EXFO PSO-200 Optical Modulation Analyzer User Manual

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Viewing and Analyzing Results

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PSO-200

Using Graph Markers

Using Graph Markers

To help you evaluate values and differences (deltas) in precise locations of
any graph type, you can display and position sets of markers on the graph
and view corresponding data on a tiny dashboard.

There are two markers for each axis: X1, X2, Y1, Y2. You can move markers
from end to end, independently from each other.

Constellation charts also include a diagonal line from the center to crossing
pairs of markers (X1|Y1 and X2|Y2), and the dashboard provides
corresponding polar coordinates.

Move selected marker

Toggle marker

Data about selected
marker

Markers

Polar coordinates (R and

)