<<TableOfContents(3)>>

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

----------
= CRY+VIS Interface Meeting =
Date: 2023/10/13 13:00-13:45

Participants: Takahashi, Hirata, Ushiba, Mitsuhashi, Ikeda, Sato, Yokozawa, Akutsu, Uchiyama, Aso, Miyoki

[[https://paper.dropbox.com/folder/show/AcceptanceTest-e.1gg8YzoPEhbTkrhvQwJ2zzo3dHVh5sJGieDgbm2n3h60mGqotBeE|Acceptance check document]]

== Suspensions ==
 * Type-A: Offload in IX. Height adjustment of ITMX and ETMX. Measurements of MN/TM Pitch TF.
 * Type-B: 
 * Type-Bp: 
 * Type-C: 

== Other items ==
 * Oplev: Centering of the MN oplev in EX. 1)Repair of EY MN V and 2)Noise investigation in IX are planned. ITMY legth oplev from NAOJ.
 * ACC: 
 * Commissioning: 
 * Vacuum system: Replacement of the HV Connector for #7 ISP. OMC chamber will be opened on 10/15.
 * Heater control: 
 * TMS: 

== Post O4a ==
 * Measurements of the DAC noise: Type-C.
 * Optimization of the damping control in PRs: Test for PR3.
 * IP control with the ACCs: One more test.
 * In-vacuum accelerometer for IOO: Installation on 10/17.
 * Height adjustments of Type-A in the cooling: Monitoring.
 * Temperature control for the Oplev: 
 * TM cooling: Schedule.
 * OMC damper: The parts were delivered and assembled on 10/12 ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15353|report]]).

== Discussion ==

----------
= VIS Meeting =
Date: 2023/10/13 10:00-10:35

Participants: Takahashi, Mitsuhashi, Tanaka, Aso, Hirata, Sato, Ushiba

== Summary Report ==
=== Type-A ===
 * Offload of F1 in IX.
 * Height adjustment of ITMX and ETMX.

=== Type-B ===
=== Type-Bp ===
=== Type-C ===
 * Damping of the OMC suspension.
  * The parts were delivered and assembled on 10/12 ([[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=15353|report]]).
  * The installation is scheduled on 10/17.

=== Electronics ===
=== Control ===
=== R&D ===
 * TAMA-SAS experiment: Measurement of the RL resonant frequency.

== Schedule ==
 * TAMA-SAS experiment.
 * Installation of the OMC dampers.

== Toward O5 ==
 * [[https://paper.dropbox.com/doc/VIS-upgrade-toward-O5--B6qw57_1ZTHOEO_ZdAZi0hBjAQ-PJElGnRfe5jbNPeHWDHzi|Dropbox paper]]

== Discussion ==

== Next meeting ==
 * 2023/10/27 10:00-