Agilent Technologies InfiniiVision 3000 X- Series Advanced Training Manual page 107

Serial Bus Decoding & Triggering, Search & Navigation, and Segmented Acquisition Labs
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Figure 80 Decoding I
Your scope should now be decoding the left- channel and right- channel
audio data similar to
on these signals. The scope should be randomly auto triggering because
the default trigger condition is to trigger on a rising edge of channel- 1.
But there are no signals present on the channel- 1 input. Let's now set up
the scope to trigger on I
data increases from
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22
23
24
25
3000 X-Series Oscilloscopes Advanced Training Guide
Press the [Label] front panel key to turn on the scope's default labels
2
for an I S bus.
2
S signals.
Figure
≤
- 10 to
Press the [Trigger] front panel key; then select Serial 1 (I
Entry knob.
Press the Trigger Setup softkey.
Press the Audio Left softkey; then change to Right.
Press the Trigger = softkey; then turn the Entry knob to select the
Increasing value.
Press the [Mode/Coupling] key in the Trigger section of the front panel;
then select the Normal trigger mode.
80. However, the scope is not yet triggering
2
S right- channel audio data as the value of the
≥
+10 (signed decimal format).
4
2
S) using the
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