void SetAmplitude(Double_t a) {fAmplitude = a ; Reset();}
void SetTZero (Double_t t0) {fTZero = t0 ; Reset();}
void SetHG2LGRatio(Double_t r=16.){fHG2LGratio = r ;}
+ void SetTimeStep(Double_t step=100.e-9){fgTimeTrigger=step ;}
void Reset();
// Raw Read Out