<<TableOfContents(3)>>

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

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= CRY+VIS Interface Meeting =
Date: 2023/9/29 13:00-13:40

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

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

== Suspensions ==
 * Type-A: Height adjustment of ETMX. Offload in IX. Adjustment of the damping loop in EX. Diagonalization of the payload actuators in EX. Update of the MN Y Oplev damping loop in IY.
 * Type-B: 
 * Type-Bp: 
 * Type-C: 

== Other items ==
 * Oplev: Preparation of the temperature controls for IXC and EXC.
 * ACC: 
 * Commissioning: 
 * Vacuum system: Opened the GVs in EX. TMP in X-27 was failed.
 * Heater control: 
 * TMS: 

== Post O4a ==
 * Measurements of the DAC noise: Type-C.
 * Optimization of the damping control in PRs: Test for PR3 again in the next week.
 * IP control with the ACCs: One more test in the next week.
 * In-vacuum accelerometer for IOO: Leak test of the pod in the next week.
 * Height adjustments of Type-A in the cooling: Monitoring.
 * Temperature control for the Oplev: Preparation for IXC and EXC.
 * TM cooling: Schedule.
 * IM heater: EX remains.
 * OMC damper: The parts have been ordered. Vent on 10/13.

== Discussion ==

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= VIS Meeting =
Date: 2023/9/28 10:15-11:00

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

== Summary Report ==
=== Type-A ===
 * Height adjustment of ETMX.
 * Offload of F0 in IX. The FR reached a hardware limit, so the setpoint was changed. 

=== Type-B ===
=== Type-Bp ===
=== Type-C ===
 * Damping of the OMC suspension.
  * Ordering of the damper parts.
  * Prototype test of the flexible pendulum damper.

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

== Schedule ==
 * TAMA-SAS experiment.
 * Preparation for the OMC damper.

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

== Discussion ==

== Next meeting ==
 * 2023/10/13 10:00-