Index: sources/gui/qml/pages/posttreatment/PostTreatmentReview.qml
===================================================================
diff -u -rc9f8f8cf3c6c37fc6460d8675c62c9442c4d4263 -rd26aff743bca7eceb609ce5b30cea7cbfa39748f
--- sources/gui/qml/pages/posttreatment/PostTreatmentReview.qml	(.../PostTreatmentReview.qml)	(revision c9f8f8cf3c6c37fc6460d8675c62c9442c4d4263)
+++ sources/gui/qml/pages/posttreatment/PostTreatmentReview.qml	(.../PostTreatmentReview.qml)	(revision d26aff743bca7eceb609ce5b30cea7cbfa39748f)
@@ -57,13 +57,34 @@
     }
 
     Label { id: _txCode
+        property string empty   : "..."
+        property string txCode  : vPostTreatmentAdjustmentTreatmentLog.txCode
+        Timer { id: _waitTxCodeTimer
+            property int count: 0
+            interval: 1000
+            repeat  : true
+            running : _txCode.visible && ! _txCode.txCode
+            onTriggered: {
+                _txCode.empty = ".".repeat( count ++ )
+                if ( count == 4 ) count = 0
+            }
+        }
+
         anchors.bottom  : _flickable.top
         anchors.left    : _flickable.left
         width           : _flickable.width
-        text            : qsTr("Code: ") + vPostTreatmentAdjustmentTreatmentLog.txCode
+        text            : qsTr("Code: ") + ( txCode ? txCode : empty )
         font.pixelSize  : Fonts.fontPixelButton
     }
 
+    QRCode { id: _qrCode
+        anchors.bottom  : _flickable.top
+        anchors.right   : _flickable.right
+        anchors.margins : 15
+        qrcode          : vPostTreatmentAdjustmentTreatmentLog.txCode
+        clear           : ! _root.visible
+    }
+
     Flickable { id: _flickable
         clip: true
         anchors {