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  OPERATION-2023 logbook, Contact: F.Wolff-Fabris, A.Galler, L.Samoylova, H.Sinn  Not logged in ELOG logo
Message ID: 170     Entry time: 04 May 2023, 00:07
Author: Jan Gruenert 
Group: PRC 
Subject: SA1 status 

SASE1 status:

First shift switchover this week at 23h from FXE (19.5 keV) to SPB/SFX (12.4 keV) with issues. 
No immediate lasing at 12.4 keV with standard procedures / files, then tuneup using FEL imager (CBor) in multibunch. Wrong pointing (far off up in vertical).
Recovered lasing by 23h55 with 1 mJ at 12.4 keV at 10 bunches. Handover to SPB by midnight.

Diagnostics:
XTD2-XGM stayed with HAMPv during the photon energy change, which turned out fine, but the signal would be non-linear in multibunch
operation with many bunches, thus switch to XGMDh (HAMPv power remains turned on).
Procedure practiced with BKR-crew. BKR will switch back to HAMPv when switching back to FXE / 20 keV.

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