Index: /trunk/BNC/src/bncwindow.cpp
===================================================================
--- /trunk/BNC/src/bncwindow.cpp	(revision 6685)
+++ /trunk/BNC/src/bncwindow.cpp	(revision 6686)
@@ -323,5 +323,5 @@
   }
   _serialAutoNMEAComboBox  = new QComboBox();
-  _serialAutoNMEAComboBox->addItems(QString("Auto,Manual").split(","));
+  _serialAutoNMEAComboBox->addItems(QString("no,Auto,Manual").split(","));
   kk = _serialAutoNMEAComboBox->findText(settings.value("serialAutoNMEA").toString());
   if (kk != -1) {
@@ -2153,5 +2153,5 @@
     bool enable2 = enable && _serialAutoNMEAComboBox->currentText() == "Auto";
     enableWidget(enable2, _serialFileNMEALineEdit);
-    bool enable3 = enable && _serialAutoNMEAComboBox->currentText() != "Auto";
+    bool enable3 = enable && _serialAutoNMEAComboBox->currentText() == "Manual";
     enableWidget(enable3, _serialHeightNMEALineEdit);
   }