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General Tips for Using Traces and Markers
The WDCA provides the ability to display up to six traces with up to four
markers. Using multiple markers on multiple traces can sometimes seem com-
plicated. Knowing a few tips makes trace and marker manipulation much eas-
ier.
• Markers are always placed on the currently selected active trace. Therefore,
use the Active Trace function to activate the desired trace, then select a marker
to be placed on that trace.
• When multiple markers are currently used on multiple traces, the Marker Sta-
tus area (located at the top of the display) makes it easy to identify the state of
each marker.
Information provided for each marker includes:
• Wavelength
• Amplitude
• The trace associated with the marker.
For example, if marker 1 is on Trace A then the annotation will show
Mkr1 (A).
In addition, if there are markers on two different traces, then the delta of the
wavelength and amplitude for the two different markers is also displayed.
For example, Mkr (2-1) 0.206 nm, -0.002 dB.
The color of the annotation denotes different characteristics of the markers:
• White annotation denotes the status of the currently active marker.
• Green annotation denotes the status of all currently used markers.
• Red annotation denotes that some type of an error occurred with the marker
measurement.
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Using the Analyzer
Measurement Techniques
3-29
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