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    User name ycwang

    Log entry time 12:28:34 on December14,2008

    Entry number 253380

    keyword=Set RICH HV to 2200V

    After set RICH HV to 2100V for 2.5 hours, the HV setting was stable, so we set RICH HV to 2200V, it is the normal HV for RICH so it needs to take a pedestal run for this setting if it keep stable and at the end of this run,


    FIGURE 1

    FIGURE 2