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Serial Bus Decoding & Triggering, Search & Navigation, and Segmented Acquisition Labs 4

4000 X-Series Oscilloscopes Advanced Training Guide 93

48 Tap the Segmented softkey; then tap # of Segs and enter 500 as the

number of segments to capture.

49 Tap the Segmented softkey to begin a Segmented Memory acquisition.

50 Tap the Current Segment softkey; then turn the Entry knob to review all

500 captured segments.

51 Set the Current Segment to 500 and note the time-tag of the last captured

segment.

Segmented Memory optimizes oscilloscope acquisition memory by only

capturing important segments of a waveform based on the trigger

condition and timebase setting. In this example, we have selectively

captured over 4 seconds of total acquisition time as shown in Figure 59.

Note that we can also view the decoded SPI data in the “lister” format,

and we can also perform Search & Navigation on the segments.

Figure 59 Using the scope’s Segmented Memory acquisition to selectively capture more

SPI traffic.

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Agilent Technologies 4000 X Wartungshandbuch Seite 93