Glossary
TDS5000 Series User Manual
Glossary- 11
Trigger
An event that marks time zero in the waveform record. It results in acquisi-
tion and display of the waveform.
Trigger level
The vertical level the trigger signal must cross to generate a trigger (on edge
trigger mode).
Vertical bar cursors
The two vertical bars that you position to measure the time parameter of a
waveform record. The oscilloscope displays t he value of the active (move-
able) cursor with respect to the trigger and the time value between the bars.
Waveform
The shape or form (visible representation) of a signal.
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.
XYZ format
A display format that compares the voltage level of two waveform records
point by point as in XY format. The displayed waveform intensity is
modulated by the CH 3 (Z) waveform record.
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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