View source for Compton Counting Mode DAQ

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This page is intended for CREX shift crew and instructs the correct usage of the compton counting mode DAQ.
This DAQ is for the Compton electron detector.

== Running the DAQ ==
Start a new run every 2 hours. Do this when you start the other [[Compton_DAQ_HOWTO|Compton DAQ]] runs.

For production running the electron detector should be in the ''COMPTON'' position.
=== Open CODA ===
*Login to the compton2 machine (user: compton)
*Type ''startCoda'' in the terminal
**This will execute each CODA component in a separate xterm, one of them being the run control gui ([[CODA#Description_of_the_GUI|rcGui]])
*From the rcGui menu bar click ''Control -> Connect''
*Check that the CODA run parameter 'configuration' is 'vtpCompton'
**If it is not the correct configuration
***click on ''Configurations -> Coda Config''
***a small window will pop-up with a list of coda configurations, choose 'vtpCompton' and click ''ok''
**If it is the correct configuration
***click on the ''Configure'' button located just below the menu bar
*Next click ''Download''.
*The bottom left of the rcGui window will show the state of vtpROC, PEB1, and ROC1.

=== Start a Run ===
*Make sure the CODA run parameter 'configuration' is 'vtpCompton'
*Click on the ''Start'' button below the rcGui menu bar
**This will increment the run number
**An autolog with run information will be added to the HACOMPTON logbook
*When the run has started the state of each component will read 'active'

=== Stop a Run ===
*Click on the ''End'' button
*When the run has ended the state of each component with read 'ended'.

== Common Problems ==


[[Category:Control GUIs]][[Category:DAQ]][[Category:HOW TO]]