run number is 0423. ---------- comments ---------- 50GeV pi. ------------------------------ Beam run. Start date is 990918,and time is 185723. Trigger selection is off. Suppressing mode is on. Trigger mask system is off. defined number of particle events are 10000 End date is 990918,and time is 190046. Number of all events are 13603. overall rate is 67.009852 Hz. Number of trigger 0 event are 9284.rate is 45.733990 Hz. Number of trigger 1 event are 0.rate is 0.000000 Hz. Number of trigger 2 event are 0.rate is 0.000000 Hz. Number of trigger 3 event are 715.rate is 3.522167 Hz. Number of trigger 4 event are 134.rate is 0.660099 Hz. Number of trigger 5 event are 1551.rate is 7.640394 Hz. Number of trigger 6 event are 1.rate is 0.004926 Hz. Number of trigger 7 event are 410.rate is 2.019704 Hz. Number of trigger 8 event are 1508.rate is 7.428571 Hz. Number of trigger 9 event are 0.rate is 0.000000 Hz. Number of trigger 10 event are 0.rate is 0.000000 Hz. Number of trigger 11 event are 0.rate is 0.000000 Hz. ******** Scaler Info. ******** T4T5 25630 T4T5TM 1816 Mu Matrix 1222