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| 40m Log |
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 Fri Jun 29 02:17:40 2012, yuta, Update, IOO, prep for the vent - beam attenuating
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 Fri Jun 29 03:21:32 2012, yuta, Update, General, prep for the vent - others 
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Fri Jun 29 11:02:00 2012, steve, Update, VAC, the vent is at 500 torr
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Fri Jun 29 13:11:31 2012, steve, Update, VAC, 40m IFO at atm
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Message ID: 6893
Entry time: Fri Jun 29 03:21:32 2012
In reply to: 6892
Reply to this: 6894
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| Author: |
yuta |
| Type: |
Update |
| Category: |
General |
| Subject: |
prep for the vent - others |
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1. Turned off high voltage power supplies for PZT1/2 (input PZTs) and OMC stage 1/2. They live in 1Y3 rack and AUX_OMC_NORTH rack.
2. Restored all IFO optics alignment to the position where I aligned this afternoon (for SRM, I didn't aligned it; it restored at the saved value on May 26).
3. Centered all the oplevs. They can be used for a reference for alignment change before and after the vent.
I will leave PSL mechanical shutter and green shutters closed just in case.
Some MEDM screenshots below.
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