Tektronix dpo4automax extended automotive serial triggering and analysis module tektronix dpo4automax p the tektronix dpo4automax is an extended automotive serial triggering and analysis module this module enables triggering on packet level information on can lin and flexray buses it will also enable triggering on analytical tools such as digital views of the signal bus views packet decoding search tools packet decode tables with time stamp information and eye diagram analysis softw