1) the single plane triggers are formed, as an OR of all tubes (including left and right for E and dE planes (left/right not ANDed))
2) the coincidence between the E and the dE planes (trigger plane): the overlap in 50 ns.
3) the coincidence between the trigger plane and the auxiliary plane: the
overlap is 20 ns.
A copy of this log entry has been emailed to: doug@jlab.org,lyzhu@jlab.org