Index: sources/model/hd/adjustment/MAdjustRequestsBase.h
===================================================================
diff -u -r27cc308ff5113a9386899d3c8f8b29962a8498e1 -rcd4b8fbd5ea88717e74dd4cbe00dac82d9844dde
--- sources/model/hd/adjustment/MAdjustRequestsBase.h	(.../MAdjustRequestsBase.h)	(revision 27cc308ff5113a9386899d3c8f8b29962a8498e1)
+++ sources/model/hd/adjustment/MAdjustRequestsBase.h	(.../MAdjustRequestsBase.h)	(revision cd4b8fbd5ea88717e74dd4cbe00dac82d9844dde)
@@ -20,6 +20,9 @@
 
 //project
 #include "MessageGlobals.h"
+
+#define ROUND_FLOATS
+
 using namespace Gui;
 
 namespace Model {
@@ -42,9 +45,22 @@
      * \param   vParameters   - list of parameter values of the model as a comma separated string.
      * \return  QString
      */
-    static QString toString (const QString &vStringPrefix, const QVariant &vParameters) {
-        QString senderID = "UI,";
-        return QString(senderID + vStringPrefix + "," + vParameters.toStringList().join(','));
+    static QString toString (const QString &vStringPrefix, const QVariantList &vParameters) {
+        const char  delimiter = ',';
+        quint8      precision =   3;
+        QString     senderID = "UI,";
+        QString     mString = senderID + vStringPrefix;
+        for( const auto &parameter : vParameters ) {
+            if (static_cast<QMetaType::Type>(parameter.type()) == QMetaType::Float) // Qt has a mixed definition of QVariant::Type and QMetaType seems like a not fixed issue.
+    #ifdef ROUND_FLOATS
+                mString += delimiter + QString("%1").arg(parameter.toFloat(),0,'f',precision);
+    #else
+                mString += _delimiter + parameter.toString();
+    #endif
+            else
+                mString += delimiter + parameter.toString();
+        }
+        return mString;
     }
 
 public: