patrick.thomas@LIGO.ORG - posted 22:10, Thursday 28 March 2019 - last comment - 23:07, Thursday 28 March 2019(48014)
Dropped out of observing by change to ITMX violin mode 17 gain
05:00 UTC I believe the violin mode guardian may have changed the gain for ITMX mode 17, which happened to be monitored in SDF, and this took us out of observing. I have unmonitored this channel in SDF (see attached screenshot) and put us back into observing.
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We should unmonitor all of these gains (all guardian touched gains in Bank 1 and 2 of all optic violin mode damping banks). If someone gets a minute, please do so. Or we can do the ones that crop up and we'll finish cleaning house in the next few days.