Technical data

122 4000 X-Series Oscilloscopes Advanced Training Guide
4 Serial Bus Decoding & Triggering, Search & Navigation, and Segmented Acquisition Labs
the Zoom to Selection softkey. Let’s now perform an automatic search to find
every occurrence of Right- channel > +10. We will then automatically
navigate to each of these occurrences.
30 Push the horizontal position/delay knob to re- position the trigger point
back to center-screen.
31 Set the scope’s timebase to 10.00 ms/div.
32 Press the [Search] front panel key.
33 Tap the Search Edge softkey; then select Serial 1 (I
2
S).
34 Tap the Audio Left softkey and change to Audio Right.
35 Tap the Search for softkey; then select > (Greater than).
36 Tap the Data softkey twice; then type in 10.
The white triangles near the top of the waveform area mark the time
location of each “found” occurrence of our search operation as shown in
Figure 82. These frames are also marked in orange in the first/pointer
column of the lister table. Your scope should have found and marked
approximately 20 occurrences of this search operation based on a total
acquisition time of 100 ms. Note that the number of “found” events is
Figure 82 Automatic Search & Navigation on I
2
S data.