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Message ID: 1131     Entry time: Wed Oct 1 07:42:45 2025
 Author: KD, IC, VM 
 Status: Under Process 
 Type: Shift summary 
 Category: Ring Commissioning 
 Important:
 Subject: shift du 1e octobre 2025 
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7h40: mise en chauffe à distance (modulateur, frigo/chiller, laser, cyclage)

==> IHM cyclage très longue à lancer, (a planté hier, pas aujourd'hui), des nan apparaissent (cf. screenshot)

08h45 Start modulator

09h09 There is a problem with the HV increasing above 1212 V

09h21 HV=1215 V

09h35 Beam is in the ring

RF gun phase 272 dg. Laser Att. 280 for -100 pC, Sect. Att. 2.38 dB, Phase 207 dg. Linac steerers: H [0.85 -3.17 ], V [-2.24 2.78]  

09h49 RF gun phase 282 dg. Laser Att. 280 for -100 pC, Sect. Att. 2.38 dB, Phase 210 dg. Linac steerers: H [0.85 -3.17 ], V [-2.24 2.78]  

Laser feedback does not seem to support maximum laser spot density

09h55 Modulator set to standby

Magnet offset: output Ri_C2 DP04 rise 6/12 turns, output Ri_C1 DP04 fall 3/12 turns,

12:00 HV in standby mode

14h30 HV is ON

Several accesses in the casemat with Rodolphe to rotate the dipoles. 4 dipoles are totated.

The vertical orbit seems to go in the good direction. Work in progress.

Still need one iteration tomorrow morning with Rodolphe.

18h20 STOP THOMX

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