HP 16550A User Reference page 169

100-mhz state/500-mhz timing logic analyzer
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Overlay
The Overlay mode inserts all bits of a label in a single waveform to form a
composite waveform label. The onscreen indication for the Overlay mode is
"All" following the label name.
Viewing State Data in Overlay Mode
When all assigned waveforms in a label are Overlaid, the value of the data is
displayed to the right of each transition in the waveform display.
If the sec/Div is set to view a large increment of time, or the waveform scaling
is set to small or medium, the state data readout will not fit between
transitions. To display the state data readouts within the waveform, expand
the sec/Div and use the large waveform setting. If symbols are assigned to
represent data values, the symbol is displayed.
Overlayed
waveforms
State Data or Symbols In Overlaid Waveform
The Waveform Menu
Channel Mode Field
Data value or Symbol
displayed in waveform
7–39

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