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    User name Kanda

    Log entry time 11:51:51 on January28,2001

    Entry number 55957

    keyword=Sudden Trigger rate decrease

    At 11:40, trigger rate suddenly became lower than 30Hz which is 5 times less than
    usual condition.
    Beam current and beam spot seen by spot++ are OK.
    T1 and T2 are OK.
    T3 is 10 Hz and T4 is 0Hz.
    Stopped the run1812 on 11:42.
    Now HV for Hadrom arm is being checked.