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Update PSSS user guide

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arrell_c 2023-11-17 17:22:52 +01:00
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Aramis-spectral-diagnostics/PSSS-user-guide.md
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@ -71,6 +71,16 @@ As the camera chip is read from the center out in the y direction the ROI settin
The spectral processing takes the spectrometer energy axis from the combined motion IOC. After a restart of the IOC, this can be incorrect. To reset this simply move the PSSS to a valid position and the energy axis will be set allowing the processing to work.
### Wrong pulse ID
The current camera system does not allow the correct pulseID to be tagged. This issue is solved by buffering the pulseIDs on the camera IOC and then selecting the buffered pulseID to tag the image. After a camera server restart this may need to be reset.
**Procedure**
1. From the SwissFEL camera UI select Photonics Aramis from the BSReadCheck menu (box 1 in figure below)
2. Select, **and re select if already selected** `#75 +OFFSET`
3. Confirm correct pulseID in the correlation tab of the PSSS panel by starting the correlation tool
<img src="https://docs.google.com/drawings/d/e/2PACX-1vQ1btySB78gc-FnhwwkK9sDheEsxttqGlpYtrviuH4QaZKGtThp9sj_smYALql5bIVVYhjoD-Hle1a5/pub?w=893&amp;h=687">
Still have an issue? Use the contact list for the PSSS here:[contacts](Aramis%20Contacts)
## Controls contacts