Start modulator; alims;
We cannot start machine. No e-beam. Timing laser RF? Need help of linac team.
Kevin solved problem with shutter.
Check alignment at QP3.
Check phase of the section, go to 1.35 dB.
Libera4 reboot.
Measure orbit.
Try to change frequency of synthe from 500 to 500.43 resulted in the change beam position in TL BPM2, but it should not do anythyng with TL. Same shift is observed at the screen in the same position.
Vincent tryies to understand how to interpret this behaviour.
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