Scan Histogram; Wavescan Search - Teledyne HDO9000 Operator's Manual

High definition oscilloscopes
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Scan Histogram

Scan Histogram is an additional
view of edges that meet your search criteria. Enter the parameters as you would to set up any
histogram:
1. Total #Values in the histogram buffer
2. #Bins (bars) in the histogram
3. Center value and Width of each bin from center, or check Enable Auto Find and let the sofware
Find Center and Width.
4. Choose a Vertical Scale method:
Linear allows the histogram to build vertically as data accumulates. When the
l
histogram reaches the top of the display it rescales the vertical axis to keep it on
screen.
LinConstMax keeps the histogram at near full scale and rescales the vertical axis as
l
data is accumulated.

WaveScan Search

Search is used to find events in traces—usually zoom (Zx) traces—that match user-defined criteria.
To search within WaveScan:
1. Select the Zoom view.
2. After stopping the acquisition, open the Zx dialog that appears behind the WaveScan dialog.
3. Use the Prev and Next buttons to move back or forward within the trace to the events that
matched your Scan Modes criteria.
Or
If you know the WaveScan table index (row) number of the event you wish to find, enter it in Idx.
WaveScan
"view" that generates a histogram to give you a statistical
Analysis Tools
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