run number is 0663. ---------- comments ---------- Electron 50GeV. ------------------------------ Beam run. Start date is 990924,and time is 084548. Trigger selection is off. Suppressing mode is off Trigger mask system is off. defined number of particle events are 1000 End date is 990924,and time is 085017. Number of all events are 13080. overall rate is 48.624535 Hz. Number of trigger 0 event are 999.rate is 3.713755 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 1.rate is 0.003717 Hz. Number of trigger 4 event are 103.rate is 0.382900 Hz. Number of trigger 5 event are 9213.rate is 34.249071 Hz. Number of trigger 6 event are 2521.rate is 9.371747 Hz. Number of trigger 7 event are 243.rate is 0.903346 Hz. Number of trigger 8 event are 0.rate is 0.000000 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 1051 T4T5TM 19 Mu Matrix 120