Reports until 16:46, Monday 06 April 2015
H1 AOS
betsy.weaver@LIGO.ORG - posted 16:46, Monday 06 April 2015 - last comment - 06:21, Tuesday 07 April 2015(17703)
SUS SDF update effort

Today I started hacking through the weeds that had grown up the SUS SDFs for the last 2 unattended weeks.  While I still have more pruning to do, I addressed:

- ODC DAMP GOOD state updates on medm and SDF where DIFFs were found - likely more tidy up needed per sus.

- Low noise BIO/COIL changes 17504 and 17478.

- Cleaned up SUS TEST banks (ignoring GAIN, OFFSET, TRAMP values, but continuing to watch SW1 and SW2 for when bank gets left on)

- Found lots of LIMITs engaged, so wrote their values into the safe.snap

- Set SDF to ignore SW2 of many LOCK and TEST banks which were in SDF DIFF state since now SUS GRD aligns and misaligns via these, alog 17259.  Reenabled SW1 monitoring in many cases where inputs will remain enabled now.  Where alignment offsets were written into TEST banks, I've written the values into the sus snap.safe.

- Zeroed out the R0 P TEST OFFSET of 200 that Keita put in a long time ago and inadvertently got written into the ETMx safe.snap and subsequently reenabled.  These should be off, 16865 - Today I turned the R0 P offset off, again.  Also, the R0 Y TEST bank offset (0.0) was enabled so I turned that off.  Our understanding is that no R0 chain offsets should be enabled.

Comments related to this report
jeffrey.kissel@LIGO.ORG - 06:21, Tuesday 07 April 2015 (17716)ISC, SEI
One more thing to highlight from this effort: all settings in the OMC and OMs in HAM6 have been captured, and there are no longer any differences with the table. Thus, this will be a reference point to get back to after the vent and/or we can monitor what has been done while in chamber such that we understand all that has changed during the vent.

Note, I attach the lists of channels that are currently *not* monitored by the SDF system so we're aware of what *won't* be tracked. 
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