=== 2019/5/20(Mon.) ===

==== Schedule ====
 * 5/14: RT PC maintenance -> go to safe mode for all VIS connected Dolphin (BS, )
 * 5/17~ increasing ETMY temperature.
 * 5/20-24: Exchanging cryo valves.

 * Center

 * ITMX: 

 * Xend
  * --(5/2: Cooling start)--
  * 5/29: Cooling done

 * Yend

 * End of April~: Y arm commissioning
 * ~End of May: Y arm and FPMI commissioning

==== Note ====
 * 

==== Night work ====

==== Weekend ====

==== Report of work ====
 * Dew was found at ITMY, ETMY and ETMX.

 * COM: Finnesse was ~28 on Thursday.
  * Friday, after increasing temperature, finesse increased to ~120 with 30K.
  * Sunday, temperature increased to 50K and the finesse was 140, not drastic improvement.
 * PRM will turn off COACH filter on PSL for 10 min to measure acoustic back ground.

 * Type B: To improve Shield for SR2 oplev 


 * Only ETMY temperature is increasing.
 * DAQ is not stable. All connection was lost yesterday and this morning. 



==== Work plan ====
 * IOO: It takes some time for checking MZ this morning, or afternoon if needed.
 * Position of ITMX using auto leveler this afternoon or tomorrow depending work of MZ above.

 * CRY: Exchanging cryo valve during this week.