Differences

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--- tuning_the_s800_xdt [2015/10/21 16:09]
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+++ tuning_the_s800_xdt [2015/10/21 16:14]
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@@ Line 57: / Line 57: @@
       * The OBJ signal feeding this module is not patched out to data U6
       * The OBJ signal from MCFD-16 module goes to the Mesytec MTDC32 module and scaler (channel OBJ.MCFD.Scint)
-      * Adjust CFD threshold looking at scalers. The ratio of OBJ to XFP scaler rates (channels OBJ.MCFD.Scint and XFP.MCFD.Scint) should reflect the transmission of the cocktail beam
+      * Make sure that the threshold of the XFP MCFD channel is reasonable. Rates in scaler channels XFP.Scint and XFP.MCFD.Scint should be comparable
+      * Adjust MCFD OBJ threshold looking at scalers. The ratio of OBJ to XFP scaler rates (channels OBJ.MCFD.Scint and XFP.MCFD.Scint) should reflect the transmission of the cocktail beam
       * Save new threshold in configuration file **MCFD16.tcl**

S800 Documentation