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  • 288 bits of "event codes":
    • some have well-defined meanings (in progress)
    • 16 highest bits are hutch specific for sequences (272-287)
    • DAQ readout groups are "extra bits" included at end of timing frame
  • timing frames have "destinations": e.g. bykiks, and bykikh both go to "bsy" dump
  • unlike LCLS1 we will not be using event-codes to understand when bykiks has fired: use destinations instead

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