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User name V. Sulkosky
Log entry time 11:11:40 on February 04, 2011
Entry number 346059
keyword=BigBite Thresholds reset
When I turned off bbcamac1 all the thresholds were wiped even for the dE
and E plane discriminators. I reset the wire chambers to 3.5 and 4.0 V,
respectively. I then set the E, dE and dEtrigger to -50 mV. When I
checked this morning the scintillator planes were already at -8 mV. This
is probably from the other day when I unplugged bbcamac1. In any case, we
have been taking data for the the scintillators with very low thresholds
up until today.
Whenever bbcamac1 is power cycled, we need to remember to reset all
thresholds for BigBite detectors. I am not sure if this is true for the
HAND LeCroy 4413 modules, which are on bbcamac2 and bbcamac3.
A copy of this log entry has been emailed to: nmuangma,lselvy,brads,rshneor,orchen,igorko