Subject: shift report, 12-24 Sept 1999
From: Chuck Lane (lane@DUPHY4.Physics.Drexel.Edu)
Date: Tue Oct 05 1999 - 16:13:03 EDT
Shift report: Sept 12-24 1999
Present at weekly meeting:
Erik K., Ioannis K., Sophia K., Nicola Z, C. Lane
o SM4 lower TOHM power supply failed, possibly caused by a power glitch
producing lots of TOHM triggers; uV2 removed from acq, then reinserted
with SM4 lower TOHMs disabled, finally the power supply replaced and
SM4 lower TOHMs put back in acquisition.
o WFD on SM3 channel 36-39 had "bogus timeword events", card changed
o FMT card on uV3 replaced to fix rate monitor buffer overflows
o During a test of fire sensors, VXMACA had a "console break" and
>>> prompt, attempted 'continue' resulted in a reboot, most likely
because it was halted too long. After going over the area with
safety people a few days later, it seems unlikely that it was a
power glitch or cable disconnection....best hypothesis so far is
that someone accidentally hit the "break" button on the console.
o The visit of Pres. Ciampi went fine; W side ventilation was turned
of for a few minutes to reduced noise without affecting detector
operation.
o An LED test of gravitational stellar collapse trigger was performed
during the weekly calibration, after notification was given that
the system would be tested.
-- Chuck Lane ~~~~~~~\ / lane@duphy4.physics.drexel.edu ------>------------------*----------<--------------------- Drexel University /| . Ph: 215/895-1545 Particle Physics / /\___/ FAX: 215/895-5934
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