run number is 0587. ---------- comments ---------- 50 GeV pi at tower 21 ------------------------------ Beam run. Start date is 990921,and time is 004903. Trigger selection is off. Suppressing mode is off Trigger mask system is off. defined number of particle events are 10000 End date is 990921,and time is 005418. Number of all events are 14637. overall rate is 46.466667 Hz. Number of trigger 0 event are 9108.rate is 28.914286 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 892.rate is 2.831746 Hz. Number of trigger 4 event are 96.rate is 0.304762 Hz. Number of trigger 5 event are 1288.rate is 4.088889 Hz. Number of trigger 6 event are 946.rate is 3.003175 Hz. Number of trigger 7 event are 1042.rate is 3.307937 Hz. Number of trigger 8 event are 1265.rate is 4.015873 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 15593 T4T5TM 1374 Mu Matrix 161