= Agenda/Minutes of the VIS Meeting on 2020/4/24 =
2020/4/24 14:00 -

[[https://zoom.us/j/203743987|Zoom Meeting]]

Participants: Takahashi, Sato, Hirata, Tanaka, Shoda, Aso, Fabian, Lucia, Ishizaki

[[https://onedrive.live.com/view.aspx?resid=8E8081C20FE5EC3A!2278&ithint=file,xlsx&authkey=!AMFNtNa-Y6CVp94|Task list towards O4]]

[[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=11475|Schedule afetr O3]]

== Progress report ==
=== General ===
=== Type-A ===
 * Making the integrated 3D models for each Type-A tower.

=== Type B ===
No apparent damage was inflicted to Type-B suspensions by the earthquakes.

 * All the signals from the QPDs and from the OSEMs look fine.
 * They can be put in ALINED state without apparent problem.
 * Yokozawa-san was able to lock the Y Arm with green light, which confirms that at least SR3 is fine.
 * Later Nakano-kun recovered the PRFPMI.

=== Type-Bp ===
 * Nakano-kun recovered PR3: klog entry [[http://klog.icrr.u-tokyo.ac.jp/osl/?r=14300|14300]].
 * It seems PR2 required IM picomotor adjustment but apprently there's no klog report about it.

=== Type-C ===
 * AOS(Akutsu-san) suggested to modify the IMMT2 suspension.

=== Controls ===
 * Please check Terrence's report.
=== Electronics ===
 * Considering some kinds of filter circuits.
== Post O3 (4/21~) ==
 * [[https://docs.google.com/spreadsheets/d/1w4q8OvX9E6nkYSgshLYLoZH5yvQXHvGmL1agux8ztx0/edit?usp=sharing|Request]]
 * Papers
  * Type-A: Lucia(General), Fujii(Sensor collection).
  * Type-B: Fabian: I have been gathering data about sensors and writing; there's still no draft to share.

== Towards O3c ==
 * [[https://paper.dropbox.com/doc/Plan-for-the-long-OR-brake--AxxlJFvK1IGJjqrG5nfdHfGXAQ-KqexeqMaCA7DITFGxA5ih|Plan]], [[https://www.dropbox.com/s/hoadb73fdyah02c/Post-O3%20task.xlsx?dl=0|Sheet]]

== Safety ==
== Discussion ==
== Travel Plans ==
== Next meeting ==
On 2020/5/1(Fri)