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Date: Mon Jan 7 08:14:44 2002, Shift: 00:00-08:00
Supervisor: sjs, with:
Log book#12 pages 13 - 14
Shift Summary:
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1.) Continuous store throughout shift
2.) Data runs: (all 12 deg 1/8B; 40 deg 4A)
run effective effective
trig 3 trig 6
6318 244K 97K
6319 91K 19K (see note below)
6322 57K 12K
With 392K effective trig 3 at this setting, called to have
D5 polarity changed.
3.) D3 tripped , probably during run 6319 (was OK at
beginning of run)
Problems with HV on BBL and BBR supplies(discovered
during BRAVO check at beginning of run 6319):
Low Voltages (unable to increase):
BBR31-35, D1U1,D1D2,D1U3,D1P3,MRSL,MRSR
BBL37-40
Tripped (unable to reset):
D1D1,D1U2 (FS trigger counters...)
BBL41, BBL43, BBL44
Checked timing of fera gate for Si detectors with beam:
gate was about 500 ns early--adjusted...
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