172 Keysight InfiniiVision 3000 X-Series Oscilloscopes User's Guide
10 Triggers
USB Trigger
USB trigger will trigger on a Start of Packet (SOP), End of Packet (EOP) signal,
Reset Complete (RC), Enter Suspend (Suspend), or Exit Suspend (Exit Sus) on the
differential USB data lines (D+ and D-). USB Low Speed and Full Speed are
supported by this trigger.
1 Press [Default Setup].
2 Press the [Label] key to switch labels on.
3 Turn on any analog or digital channels that you will be using for the USB
signals.
Figure 32 Using Field Holdoff to Synchronize to Color Field 1 or 3 (Field 1 mode)
End of packet trigger
D-,+
D+,-
Bus Idle
SEO portion of EOP
SOP
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