Index: sources/model/dg/adjustment/settings/MAdjustDGSerialNumberResponse.cpp
===================================================================
diff -u -r27cc308ff5113a9386899d3c8f8b29962a8498e1 -r44550c670a421059754a70e2ce517e81f29c2e5d
--- sources/model/dg/adjustment/settings/MAdjustDGSerialNumberResponse.cpp	(.../MAdjustDGSerialNumberResponse.cpp)	(revision 27cc308ff5113a9386899d3c8f8b29962a8498e1)
+++ sources/model/dg/adjustment/settings/MAdjustDGSerialNumberResponse.cpp	(.../MAdjustDGSerialNumberResponse.cpp)	(revision 44550c670a421059754a70e2ce517e81f29c2e5d)
@@ -22,9 +22,37 @@
     };
 }
 
+/**
+ * \brief MAdjustSerialNumberDGResponse::isValid
+ * \details Checks if character meets DG serial constraints. (Alphanumeric or '-')
+ * \param vChar - the character.
+ * \return bool - whether character is valid.
+ */
+bool MAdjustSerialNumberDGResponse::isValid(const QChar &vChar)
+{
+    return vChar.isLetterOrNumber() || vChar == '-';
+}
+
+/**
+ * \brief MAdjustSerialNumberDGResponse::fromByteArray
+ * \details Removes any invalid characters from DG serial string.
+ * \param vByteArray - DG serial string represented as a byte array.
+ * \return true if serial contains any valid characters.
+ */
 bool MAdjustSerialNumberDGResponse::fromByteArray(const QByteArray &vByteArray, int *) {
-    _data.mSerialNumber = qPrintable(vByteArray);
-    return true;
+    // only keep valid characters from serial and stop if end of line reached
+    QString serial;
+    for ( char c: vByteArray ) {
+        if ( !c ) break;
+        QChar ch(c);
+        if ( isValid(ch) ) {
+            serial += ch;
+        }
+    }
+
+    // whitespace cannot be in serial and empty serial is invalid
+    _data.mSerialNumber = serial.trimmed();
+    return ! _data.mSerialNumber.isEmpty();
 }
 
 MAdjustSerialNumberDGResponse::Data MAdjustSerialNumberDGResponse::data() const {