The shift was dedicated to the continuation of the planned TCS activity, DAS and CH tuning, carried out by Nardecchia from remote.
At 17:21 UTC we manually unlock the ITF from LOW_NOISE_3. To check and tune the TCS, we locked and unlocked the CITF multiple times before attempting to reach LOW_NOISE_3 again.
ITF locked again from 20:51 UTC to 21:51 UTC, we manually unlocked to verify the locking acquisition. ITF locked again at 22:28 UTC.
As requested by the Commissioning coordinator, at the end of the shift I performed a step in the Etalon WI, changing the setpoint of -0.3 with a ramp of 24 hours (22:36 UTC, command WI Set point [WI_RH_SET=19.78,rampTime=86400]' sent to LSC_Etalon_Acl).
Activity concluded at 22:40 UTC, ITF left locked with AUTORELOCK_FAILSAFE engaged and IN DQSTUDIES.

Calibrations
From 16:52 UTC to 17:19 UTC - CALIBRATED_DF_DAILY