224 Keysight InfiniiVision 3000T X-Series Oscilloscopes User's Guide
13 Acquisition Control
Using Peak Detect Mode to Find a Glitch
1 Connect a signal to the oscilloscope and obtain a stable display.
2 To find the glitch, press the [Acquire] key; then, press the Acq Mode softkey until
Peak Detect is selected.
3 Press the [Display] key then press the ∞ Persistence (infinite persistence) softkey.
Infinite persistence updates the display with new acquisitions but does not
erase previous acquisitions. New sample points are shown at normal intensity
while previous acquisitions are displayed at reduced intensity. Waveform
persistence is not kept beyond the display area boundary.
Press the Clear Display softkey to erase previously acquired points. The display
will accumulate points until ∞ Persistence is turned off.
4 Characterize the glitch with Zoom mode:
a Press the zoom key (or press the [Horiz] key and then the Zoom softkey).
b To obtain a better resolution of the glitch, expand the time base.
Figure 38 Sine With Glitch, Peak Detect Mode
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