Displaying report 1-1 of 1.
Reports until 03:17, Thursday 06 June 2019
LHO General (OpsInfo)
corey.gray@LIGO.ORG - posted 03:17, Thursday 06 June 2019 (49694)
H1 Back To Observing At 35W. Here Are Notes On SDF Diffs.

8:16:  Lockloss

9:56:  NLN (But with a few diffs.  Notes below & screenshot attached)

NOTES For Getting Back to OBSERVING:

Because it is the graveyard shift, and since 37W operation was a little interesting at the end of the last lock, I opted to return to 35W for smoother running until the morning. 

NOTE On Guardian File Edit to Revert to 35W:
Now to revert to 35W via Sheila's alog, I would need to make a change to the lsc_params.py guardian file.  I do not have much experience editing these files, and for my personal login on the workstation, when I open an editor (by clicking an "e" on an ISC_LOCK state, the "e" brings up the guardian file in emacs (emacs is not user/corey-friendly), so I ran over to a differnet workstation and logged in as controls and opened lsc_params.py there via "e" on ISC_LOCK & this brought up file in gedit:  Much better. 

Made the quick change to the lsc_params.py file.  Hit LOAD for ISC_LOCK and LASER_POWER & then went for locking (which was not trivial....I'm guessing due to changes from Tuesday...will alog "play by play" of that experience separately.).  As for when H1 returned to NLN, these were the diffs observed:

10:04:  Back to OBSERVING

Images attached to this report
Displaying report 1-1 of 1.