Glossary
Glossary–4
TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
to verify erasure. This feature finds use where this digitizing oscilloscope is
used to gather security sensitive data, such as is done for research or
development projects.
Time base
The set of parameters that let you define the time and horizontal axis
attributes of a waveform record. The time base determines when and how
long to acquire record points.
Trigger
An event that marks time zero in the waveform record. It results in acquisi-
tion and display of the waveform.
Waveform interval
The time interval between record points as displayed.
XY format
A display format that compares the voltage level of two waveform records
point by point. It is useful for studying phase relationships between
two waveforms.
YT format
The conventional oscilloscope display format. It shows the voltage of a
waveform record (on the vertical axis) as it varies over time (on the
horizontal axis).
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