How to set prescale values for triggers

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  • For Left HRS:
    • login as adaq on adaq1 machine
    • type "prescaleL &" to open the GUI
    • set desired prescale factors and click "Save" and Exit
  • For Right HRS:
    • login as "adaq" on "adaq2" machine
    • type "prescaleR &" to open the GUI
    • set desired prescale factors and click "Save" and Exit


  • Definition of triggers:
    • T1 = L-arm s0 && S2m trigger
    • T2 = L-arm s0 && GC trigger
    • T3 = L-arm s2 && GC trigger
    • T4 = L-arm s0 && Shower trigger
    • T5 = L-arm s2m && Shower trigger
    • T6 = L-arm GC && Shower trigger
    • T7 = L-arm EDTM trigger
    • T8 = 103.7 kHz pulser (for LHRS), 1.024 kHz (for RHRS)


12 GeV DVCS/GMp October 2014 running

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