Index: sources/gui/qml/components/BaseComboBox.qml
===================================================================
diff -u -r56c2adbc6e724c09d5ca9d61cb0a1581d46daf02 -rda2dbdbd92d099e44d11bbfb2b794d5ee19a0f0a
--- sources/gui/qml/components/BaseComboBox.qml	(.../BaseComboBox.qml)	(revision 56c2adbc6e724c09d5ca9d61cb0a1581d46daf02)
+++ sources/gui/qml/components/BaseComboBox.qml	(.../BaseComboBox.qml)	(revision da2dbdbd92d099e44d11bbfb2b794d5ee19a0f0a)
@@ -30,12 +30,12 @@
     property int  delegateHeight    : height
 
     width                   : 300
-    displayText             : _root.active ? currentText : "-- --"
+    displayText             : _root.active ? currentText : Variables.emptyEntry
     currentIndex            : 0
     font.pixelSize          : Fonts.fontPixelTextRectTitle
     leftPadding             : 30
 
-    signal clear
+    signal clear()
 
     onActivated             : _root.active = true
     onClear                 : {