Triggering 4
InfiniiVision Oscilloscopes User’s Guide 113
15 ns Narrow Pulse, 20 ms/div, Peak Detect Mode
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 Persist (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 in gray at lower 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 Persist is turned off.
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