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Detector Operation (Operations Report)
gherardini - 20:41 Monday 07 September 2026 (69705) Print this report
Operator Report - Afternoon shift

In the first part of the shift the injection team worked on the input power reduction (#69702) then the ITF lock recovery started; the work went on without any major problem with the lock recovered up to CARM_OFFSET_STEP_3_OF_3 state (#69704), the work stopped at 18:30UTC, we left the cavities locked on the infrared.

Sub-system reports

DAQ
Another event of data loss form suspensions happened at around 17:30UTC I recovered the data with at stop and restart of SUSP_Fb process.

Comments to this report:
viret - 11:48 Wednesday 09 September 2026 (69717) Print this report
Regarding the DAQ losses, I prepared a small set of slides explaining how to solve the issue without switching ON/OFF the process (in this case SUSP_Fb). This might be necessary in some case. The document is accessible in the DAQ wiki:

https://wiki.virgo-gw.eu/pub/Commissioning/DAQ/WebHome/HowToSolveFbFFEissue.pdf
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