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Reports until 09:38, Saturday 18 January 2025
H1 General
thomas.shaffer@LIGO.ORG - posted 09:38, Saturday 18 January 2025 (82337)
Day shift update

Violin mode ETMY mode 1 was turned off via the VIOLIN_DAMPING gaurdian around 05UTC last night, log excerpt below. Leaving it with no gain had it not increasing and actually decreasing but at a rate that was basically stagnant. Currently, FM1&10 with a gain of -0.1 seems to be working, but I know that this gain has had the damping turn around later so I might damp it till it gets to a low enough level then turn it off.

2025-01-18_05:44:47.588350Z VIOLIN_DAMPING [DAMP_VIOLINS_FULL_POWER.run] timer['shortSleep'] done
2025-01-18_05:44:47.647819Z VIOLIN_DAMPING [DAMP_VIOLINS_FULL_POWER.run] ETMY mode 1 is growing!!  turning off gain
2025-01-18_05:44:47.648013Z VIOLIN_DAMPING [DAMP_VIOLINS_FULL_POWER.run] inUse_mon {'starting_mon': 3.4628171681603113, 'starting_gai
n': 0.1, 'done_damping': False, 'inUse_mon': 3.4628171681603113, 'reset_number': 0, 'guardian_gain': 0.1, 'guardian_damping': True}
2025-01-18_05:44:47.648113Z VIOLIN_DAMPING [DAMP_VIOLINS_FULL_POWER.run] current monitor level 4.462891708360431
2025-01-18_05:44:47.648788Z VIOLIN_DAMPING [DAMP_VIOLINS_FULL_POWER.run] ezca: H1:SUS-ETMY_L2_DAMP_MODE1_GAIN => 0

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