calibration hycal: energy, time tagger: time veto: time, energy beamline devices: nA bpm lgbpm normalization RF trip elimination rate dependence standard scheme geometric acceptance standard fiducial cuts acceptance loss calculation method monte carlo full detector simulation parametrized simulations standalone codes photon detection studies non-linearities in hycal response position dependence in hycal response rate effects position determination systematics physics analyses pi0 compton e+e-