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Logging InAnchor Logging In Logging In
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- Type - Select XAS to define an XAS experiment. Other options include: TIME or ALIGN
- Num Sweeps - Number of times to repeat the scan.
- Detector - Detector files define what detector will be used and what data channels will be collected. Select a predefined detector file for transmission or fluorescence. If you have questions about which detector file is appropriate for your experiment, please ask beam line staff.
- Region - Region files define the scan energy, number of points in the scan, and count time per point. If you do not have a region file and want to learn how to set up a region file, click here: Define a Region
- Scan Device - the motor that will be moving, typically MONO, for an XAS experiment. (Exception: BL 2-2 uses MONOT1)
Once you've set these parameters, enter a file name and any comments (will be saved in the output data file), and press Apply.
Defining a RegionAnchor DefineRegion DefineRegion
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Once you've created a new region, you can select it in the list and edit Start, Stop, Incr/Num Points, Count Time, Max Time, Power, and Edge for each segment. Press Save to save your changes. With your new region defined, you can go back up to the Item Editor and select it in the list of regions. (Use the Filter button to refresh the list of regions.)
Basic Region Generator
Region Wizard
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To start the queue, press the Queue Controls button at the top of Web XAS. There will be a lightbox displaying information about the queue. If there are no errors, press Start to execute the queue. It may take a few seconds, but you should eventually see the Status field go from INACTIVE to ACTIVE. If there are errors, check the Queue Manager for more detailed error messages. If you need help resolving errors, please ask beam line staff.
Once the queue is active, press the Queue Controls button to bring up a panel with controls for...
- Repeat the current sweep
- Stop queue execution
- Pause/continue queue execution
- Skip to the next sweep
- Skip to the next queue item
- Increase/decrease the number of sweeps
