Tektronix DPO4000 Series - Page 108

Acquire the Signal
You can also trigger on packet level information on your serial bus. (See page 102, Triggering on Buses.)
NOTE. To acquire signals from two buses simultaneou sly, u se this procedure once to define the parameters of the B1 bus and
again to d efine the B2 bus.
90 DPO4000 Series User Manual