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    User name R. Michaels

    Log entry time 06:50:34 on October31,2008

    Entry number 245706

    keyword=Lumi checkout (part I)

    I turned on the Lumi HV. They are
    HV chan. HV value
    1. 850
    2. 1006
    3. 1311
    5. 1044
    6. 1091
    7. 1015.
    8. 850
    11. 1445
    (these were values left by Luis).

    The signals look pretty good and are correlated with beam current,
    see figs 1, 2.

    The HV might need to go down when we have a higher pressure cell.
    Right now we have 776 Torr in a ref. cell.


    FIGURE 1

    FIGURE 2