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    User name Jin

    Log entry time 14:22:06 on December 5,2008

    Entry number 252180

    keyword=Lumi# 2 was saturated, reduce its HV

    Lumi# 2 is saturated, reads back around 60K chan at full current (see fist screenshot). Bob reduced its HV (namely background Ch1 in RHRS Lecroy) from 1076V ->1026V. Then its reduced to ~46K chan (2nd screen shot), and become linear with BCM again.


    FIGURE 1

    FIGURE 2