States Markers (State Only) - HP 16550A User Reference

States Markers (State only)
States markers are indicators located in the waveform display that are
used as reference marks to obtain the number of states between each
marker, or between each marker and the trigger point.
State markers are only available in a state analyzer with the Count
field set to States, in the Trigger menu.
The markers are color coded for easy recognition in the waveform
display. The X-marker is represented by a vertical green line and the
0-marker is represented by a vertical yellow line. In addition, both
markers are labeled at the bottom of the display in the Display
Location Reference Line.
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