Some code compacting, efficiency, clarity

code/classes/SCDsignal/QualityTag.m

@@ -13,7 +13,7 @@ classdef(Enumeration) QualityTag < int8
         % GETDEFAULTVALUE  Returns the default enumerated value.
         %   This value must be an instance of the enumerated class.
         %   If this method is not defined, the first enumeration is used.
-        retVal = QualityTag.GOOD;
+        retVal = QualityTag.INVALID;
     end
   end
 end
\ No newline at end of file

code/classes/SCDsignal/SCDsignal.m

@@ -2,8 +2,8 @@ classdef SCDsignal
   
   properties
     Value                  {mustBeNumericOrLogical,mustBeNonempty} = 0;
-    QualityTag       (1,1) QualityTag                              = 'INVALID';
-    ProductionState  (1,1) ProductionState                         = 'STOPPED';
+    QualityTag       (1,1) QualityTag                              = QualityTag.INVALID;
+    ProductionState  (1,1) ProductionState                         = ProductionState.STOPPED;
   end
   
   methods