TITLE: 02/14 Day Shift: 16:00-00:00 UTC (08:00-16:00 PST), all times posted in UTC
STATE of H1: Aligning
INCOMING OPERATOR: Patrick
SHIFT SUMMARY:
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after commissioning I started an Initial Alignment
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ALS locked, aligned
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still working on locking X arm in IR
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symptom: locks only for about 2 seconds
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turned ISI config back to Windy, which turned both BRSs back on
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raised gain, lowered gain
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tweaked alignment of IM4
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reran ISC_LOCK through Init and Down and back to Initial Alignment
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no improvement
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asked Sheila to help
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reset IM4 to alignment before Initial Alignment
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raised gain, lowered gain
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watched arms flash while in DOWN
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I tweaked alignment of IM4 yaw by 10urad steps
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longest lock as of my alog was about 4 seconds
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Sheila's still working on it
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handing OPS off to Patrick