day 1 (alog 75548), day 2 (alog 75557), day 3 (alog 75575), day 4 (alog 75601)
Recovery from reboots
After some things were rebooted, we've found that the suspension slider offsets for all OMs, SRM and ZM5 were reverted back to old-ish numbers. I and Camilla manually restored that.
Camilla saw that the beam was not quite back to the old position on one of the HAM7 QPDs but wasn't that bad.
The beam was already on ASC-AS_C but not centered, so I centered it using SRM.
Following that, I had to make a minor tweaking of OM1/2/3 to recenter OMC qpds quickly.
| SRM | OM1 | OM2 | OM3 | |
| PIT slider (yesterday/today) | 1944.6/1904.6 | 20/90 | 0/-80 | -590/-550 |
| YAW slider (yesterday/today) | -2940.6/-2944.6 | 650/610 | 760/760 | 60/-74 |
| DAC max (yesterday/today) | didn't care/57k (18bit DAC) | 11k/7.1k | 7k/4.5k | 9k/6.7k |
HAM6 irises are centered
Preet and Sheila recentered the two irises on HAM6. From this point on, these irises are a fiducial for the IFO beam.
OMC trans video beam and OMCR beam dump will be done later this week
LVEA was transitioned to laser safe for HAM3 door removal. We'll continue suspension work in HAM6.
Here are photos of the beams on the irises.