thomas.shaffer@LIGO.ORG - posted 08:31, Tuesday 24 October 2023 - last comment - 08:55, Tuesday 24 October 2023(73683)
Stepped CARM gain
Following instructions from Sheila, I stepped the CARM gains (H1:LSC-REFL_SERVO_IN{1, 2}GAIN) by 1 about every minute starting at 15:11:30 UTC. I started at a gain of 8 and we lost lock as soon as I got to 20. We lost lock at 15:24 UTC.
Comments related to this report
camilla.compton@LIGO.ORG - 08:55, Tuesday 24 October 2023 (73685)
See SQZ BLRMs and DARM plot in 73682 for the high frequency noise decreasing at 15:17UTC, with a CARM gain of ~10.