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    User name kai

    Log entry time 03:40:25 on March13,2011

    Entry number 351417

    keyword=heat power drops to zero due to MCC chamber calibration

    MCC is doing the ion chamber calibration. It looks like they applied a high current on the target, and the heater power drops to zero (soon back on because the beam is on and off very frequently). In this case, I opened the JT valve by one step. I will keep monitoring it.


    FIGURE 1

    FIGURE 2