Fluke 199B FE 192,196,199 C Users Manual - Page 65
N-Cycle Triggering C versions, On Trigger or Single Shot, Noise reject Filter, NCycle
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N-Cycle Triggering (C versions) N-Cycle triggering enables you to create a stable picture of for example n-cycle burst waveforms. Each next trigger is generated after the waveform has crossed the trigger level N times in the direction that complies with the selected trigger slope. To select N-Cycle triggering, continue from step 3 again: 4 Select On Trigger or Single Shot, jump to Noise reject Filter. 5 Set Noise reject Filter On or Off. 5 Triggering on Waveforms Triggering on Edges 7 Set the number of cycles N 8 Adjust the trigger level Traces with N-Cycle triggering (N=2) and without N-Cycle triggering are shown in Figure 30. 6 Set NCycle to On Observe that the key labels at the bottom of the screen have been changed to allow further selection of specific N-Cycle trigger settings: Figure 30. N-Cycle triggering 57