anthony.sanchez@LIGO.ORG - posted 08:26, Monday 15 May 2023 - last comment - 08:59, Monday 15 May 2023(69584)
10 Hours of lock have rung up ITMY Mode 5 & 8 over 10 hours.
Looking into the Violins this morning I noticed that Violin ITMY Modes 5 and 8 were still high, and had been rising for several hours.
Please see Attached screen shots of ndsopes and Gains. I have not interfered yet.
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I have switched off the gains for both the modes since they are rising and will look for new settings now.
IY08 damps fine with this new setting found last week, I have accepted it in the lscparams FM1 FM3 FM10, Gain = 0.01