run number is 0551. ---------- comments ---------- 200GeV pi. ------------------------------ Beam run. Start date is 990920,and time is 102920. Trigger selection is off. Suppressing mode is off Trigger mask system is off. defined number of particle events are 20000 End date is 990920,and time is 103307. Number of all events are 24024. overall rate is 105.832599 Hz. Number of trigger 0 event are 16419.rate is 72.330396 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 3581.rate is 15.775330 Hz. Number of trigger 4 event are 1714.rate is 7.550661 Hz. Number of trigger 5 event are 849.rate is 3.740088 Hz. Number of trigger 6 event are 598.rate is 2.634361 Hz. Number of trigger 7 event are 791.rate is 3.484581 Hz. Number of trigger 8 event are 72.rate is 0.317181 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 42226 T4T5TM 45989 Mu Matrix 53946