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Update hex docs
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# MUX
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MUX is the name of the system to run the Negative Muon items. It does not use a standard muon DAE, but instead
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uses the [CAE Hexagon digitisers](/doc/specific_iocs/other/CAEN-Hexagon.md) to acquire data
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uses the [CAE Hexagon digitisers](/specific_iocs/other/CAEN-Hexagon.md) to acquire data

doc/specific_iocs/other/CAEN-Hexagon.md

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@@ -4,7 +4,7 @@ The CAEN hexagon is the data acquisition used on MUX. It is currently controlled
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Data is published to the usual instrument network archive on `d:`, but to the `autoreduced` subfolder at the moment
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The hexagon runs in event mode (which it calls list mode). It is running embedded linux and generates a file locally, this local disk is served via samba and looks like a windows network share. At the end of acquisition the CAEN IOC copies files from the hexagon onto the local computer, runs a script to convert these `.bin` to `.nxs`, then archives both sets of files. The ISISICP also saves a nexus file, but this has suffix `.nxs_se`. The `.nxs` file that is generated contains a link to open the sample environement from `.nxs_se` so both files are needed for analysis.
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The hexagon runs in event mode (which it calls list mode). It is running embedded linux and generates a file locally, this local disk is served via samba and looks like a windows network share. At the end of acquisition the CAEN IOC copies files from the hexagon onto the local computer, runs a script to convert these `.bin` to `.nxs`, then archives both sets of files. The ISISICP also saves a nexus file, but this has suffix `.nxs_se`. The `.nxs` file that is generated contains a link to open the sample environment from `.nxs_se` so both files are needed for analysis.
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Scripting uses usual `begin` and `end` commands, however these have local modifications to start the hexagon which in turn starts the simulated ISISDAE/isisicp. Run numbers are synced between hexagon and simulated DAE, the custom dashboard db has been changed to read values from the hexagon not the ISISDAE ioc.
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- try an IOC restart
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- try a hexagon power cycle then an IOC restart
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After a hexagon power cycle, a timing register needs to be set on the hexagon using the CAEN MCA2 vendor software to make the event/list mode work properly. The scientists know about this and will do this.
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After a hexagon power cycle, a timing register needs to be set on the hexagon using the CAEN MCA2 vendor software to make the event/list mode work properly. The scientists know about this and will do this.

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