Online Log
The 2nd. shift [1 Sep. 7:00 - 1 Sep. 15:00]
Core: S. Nagano, Sub: Y. Tsunesada
[Date 1 Sep. Time 07 : 48 #HDAQ 118 Y. Tsunesada ]
Loss of lock.
HDAQ File 2017
[Date 1 Sep. Time 08 : 30 #HDAQ 2055 Y. Tsunesada ]
Lock acquired.
[Date 31 Aug. Time 08 : 30 #HDAQ 0 S. Nagano ]
Slave, MC, IFO lose lock.
The interferometer was re-aligned under the ``alignment mode'' of the automation system.
L- automation was not stopped to use, because it was difficult to lock the main interferometer with it.
[Date 1 Sep. Time 08 : 34 #HDAQ 2114 Y. Tsunesada ]
Loss of lock.
Lock time - 01:05:32
[Date 1 Sep. Time 09 : 46 #HDAQ 2126 Y. Tsunesada ]
Lock acquired
[Date 31 Aug. Time 10 : 04 #HDAQ 2142 S. Nagano ]
Slave, MC, IFO were unlocked.
Alignmnet of the PRM was only done.
[Date 31 Aug. Time 10 : 15 #HDAQ 2150 S. Nagano ]
IFO was locked again.
[Date 31 Aug. Time 10 : 34 #HDAQ 2169 S. Nagano ]
Slave, MC, IFO lose lock.
Power fluctuation at dark port seems to be large.
[Date 31 Aug. Time 10 : 41 #HDAQ 2176 S. Nagano ]
IFO was locked again.
[Date 31 Aug. Time 11 : 09 #HDAQ 2200 S. Nagano ]
Slave, MC, IFO lose lock.
Gain of the alignmnet control were changed to 0.09.
(initial 0.08)
[Date 31 Aug. Time 11 : 20 #HDAQ 2212 S. Sato ]
IFO aquired lock.
[Date 31 Aug. Time 10 : 40 #HDAQ 0 S. Nagano ]
Gain of the alignmnet control were set to initial values (0.08).
[Date 1 Sep. Time 12 : 03 #HDAQ 2250 Y. Tsunesada ]
Laser, MC, IFO lock lost.
Lock time - 00:42:35
[Date 1 Sep. Time 12 : 08 #HDAQ 2256 Y. Tsunesada ]
Lock acquired.
[Date 1 Sep. Time 12 : 36 #HDAQ 2281 Y. Tsunesada ]
Lock acquired.
[Date 1 Sep. Time 14 : 25 #HDAQ 0 S. Nagano ]
PRM was aligned a littel bit.
IFO was not unlocked.
[Date 1 Sep. Time 14 : 55 #HDAQ 1120 M. Ando ]
Unlocked and locked withoutb problem