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OBS (SDF)
kentaro.komori - 19:44 Tuesday 17 June 2025 (34272) Print this report
Comment to Changes of observation.snap during O4c (34169)

I applied following changes to SDFs during OBSERVATION state.
These changes are performed during today's commissioning works (klog:34267)

K1ASC1 model

K1:ASC-INP2_P_OFFSET (Fig.1):

We changed this offset to reduce the jitter coupling, and this modification was accepted.

K1VISIMMT1 model

K1:VIS-IMMT1_TM_OLDAMP_{P, Y} (Fig.1):

We changed these offsets, turned off FM8, and turned on FM7 to implement the DC control of IMMT1 pitch and yaw, and this modification was accepted.

K1ASC1 model

K1:ASC-INP2_P_OFFSET (Fig.2):

We changed this offset to reduce the jitter coupling, and this modification was accepted.

K1VISITMYLSC model

K1:VIS-ITMY_TM_DRIVEALIGN_{P, Y}2L_GAIN (Fig.3):

We changed these values to reduce the jitter coupling, and this modification was accepted.

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