Fluke Biomedical 190M III Series, Руководство пользователя

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190M Series III
Users Manual
42
Single Event Acquisition
To catch single events, you can perform a single shot acquisition (one-time screen update). To
set up the test tool for a single shot of the input A waveform, continue from step 3 again:
1. Use the cursor and
E
to select Single Shot .
The word MANUAL appears at the top of the screen indicating that the test tool is waiting for
a trigger. As soon as the test tool receives a trigger, the waveform is displayed and the
instrument is set to hold. This is indicated by the word HOLD at top of the screen. See
Figure 27 .
2. Press
H
to arm the test tool for a new single shot.
Note
The test tool stores all single shots in the replay memory. Use the Replay function to look
at all the stored single shots. See
Replay, Zoom and Cursors .
Figure 27. Making a Single Shot Measurement
N-Cycle Trigger
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:
1. Use the cursor and E to select On Trigger or Single Shot , jump to Trigger Filter .
2. Use the cursor and
E
to select a Trigger Filter or set it Off .