<<TableOfContents(3)>>

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

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= CRY+VIS Interface Meeting =
Date: 2024/1/5 13:00-13:30

Participants: Takahashi, Akutsu, Ushiba, Uchiyama, Sato, Aso

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

== Suspensions ==
 * Type-A: TRIPPED. Height adjustment on 12/28 in EY. Test of the IP control in IY.
 * Type-B: TRIPPED.
 * Type-Bp: TRIPPED (PR3 would deviate much.) Update of the local control in PR2/3.
 * Type-C: TRIPPED in OMMT1/2/OSTM. READY in MCI. LOCKACC. in MCE/IMMT1/2. Oplev signal loss in MCO.

== Other items ==
 * Oplev: Investigating the MN LEN Oplev in EY. BS was not fixed. Eyelis was covered with Al foil and the fiber edge was placed in the windshield.
 * ACC: 
 * Commissioning: 
 * Vacuum system: GVs were closed remotely. 
 * Heater control: 
 * TMS: 

== Post O4a ==
 * Measurements of the DAC noise: Type-C.
 * Optimization of the damping control in PRs: 
 * IP control with the ACCs: Test in IY.
 * In-vacuum accelerometer for IOO: Leak test of the geophone pod was scheduled for 1/11, but it will be postponed.
 * Height adjustments of Type-A in the cooling: Continuing in EY.
 * IMC open:

== Discussion ==

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= VIS Meeting =
Date: 2024/1/5 11:00-12:00

Participants: Takahashi, Mitsuhashi, Sato, Ushiba

== Summary Report ==
=== Type-A ===
 * Test of the IP control in IY.
 * Height adjustment of ETMY.

=== Type-B ===
=== Type-Bp ===
=== Type-C ===
=== Electronics ===
=== Control ===
=== R&D ===
 * TAMA-SAS experiment: Measurement of the IP+RL transfer functions.
 * Paper writing on the RL.

== Schedule ==
 * Recovery of the suspensions in KAGRA.

== Toward O5 ==
[[https://paper.dropbox.com/doc/VIS-upgrade-toward-O5--B6qw57_1ZTHOEO_ZdAZi0hBjAQ-PJElGnRfe5jbNPeHWDHzi|Dropbox paper]]
 * Kick-off meeting for O5 task force on 1/16.
 * Preparation for the test of mini-GAS for the KFC suspension.

== Discussion ==

== Next meeting ==
 * 2024/1/19 10:00-