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    User name vmaxwell

    Log entry time 05:46:52 on July 04, 2010

    Entry number 329906

    keyword=HRS right arm HV changes

    Following changes were made to HV setting for R HRS
    
    S0 counter HV reduced
    
    by 5% on left side
    by 10% and then again by 3% on right side
    
    gas cherenkov
    pmt # 2 and 3 HV increased by 5%
    pmt # 9 HV reduced by 5%
    
    before and after figures are shown (without the additional 3% change for
    s0 right side)
    





    s0 before HV change

    1641_s0.ps

    s0 after HV change

    1645_s0.ps

    gas cherenkov before HV change

    1641_gas.ps

    gas cherenkov after HV change

    1645_gas.ps