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Multi-gain range detectors are more complex than previous LCLS detectors and calibration constants are not calculated by calibman.

NOTE: The "-h" option for all commands shows common example syntax, as well as descriptions of parameters.

All constants except jungfrau pedestals (gains, offsets, pedestals) are stored in /reg/g/psdm/detector/gains/epix10k/panels/ and /reg/g/psdm/detector/gains/jungfrau/panels/ and are copied by the scripts below to the calib-dir.

Epix10ka

DAQ needs to collect charge-injection xtc file for offsets.

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Offsets must be available before pedestals, because pedestal calculation depends on offsets.

Commonly used commands:

Code Block
epix10ka_offset_calibration

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 -h

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epix10ka_pedestals_calibration

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 -h

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epix10ka_deploy_

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constants -h

 

The deploy command

  • must be done after either the offsets or pedestals have changed, or when creating a new experiment.
  • it requires an existing expt/run-number so it can see the panel-id's and copy the appropriate constants into the experiment calib-dir

Jungfrau

The detector group provides gain/offset data for jungfrau.

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