Serial Bus Decoding & Triggering, Search & Navigation, and Segmented Acquisition Labs
4
3000 X-Series Oscilloscopes Advanced Training Guide
97
Let’s now use the scope’s Segmented Memory mode of acquisition to
capture 100 consecutive occurrences of CAN error conditions. But to
complete the rest of this lab your scope must be licensed with the
Segmented Memory option.
28
Push the horizontal position/delay knob to re- position the trigger point
back to center- screen.
29
Set the scope’s timebase to
200.0 µs/div
.
30
Press the
[Run/Stop]
front panel to begin repetitive acquisition again.
31
Press the
[Trigger]
front panel key.
32
Press the
Trigger: ID & ~RTR
softkey; then select
All Errors
using the Entry
knob.
33
Press the
[Mode/Coupling]
key in the Trigger section of the front panel;
then select the
Normal
trigger mode.
34
Press the
[Acquire]
front panel key.
35
Press the
Segmented
softkey; then turn the Entry knob to select
100
as
the number of segments to capture.
36
Press the
Segmented
softkey to begin a Segmented Memory acquisition.
37
Press the
Current Segment
softkey; then turn the Entry knob to review all
100 captured segments.
38
Set the
Current Segment
to
100
and note the time- tag of the last captured
segment.
Figure 71 Using the scope’s Segmented Memory acquisition to selectively capture 100
CAN error conditions.