diff --git a/Configuration.cpp b/Configuration.cpp
index 26425fca0..719fe731d 100644
--- a/Configuration.cpp
+++ b/Configuration.cpp
@@ -457,6 +457,10 @@ private:
   Q_SLOT void on_cbx2ToneSpacing_clicked(bool);
   Q_SLOT void on_cbx4ToneSpacing_clicked(bool);
   Q_SLOT void on_rbNone_toggled(bool);
+  Q_SLOT void on_rbFieldDay_toggled();
+  Q_SLOT void on_rbRTTYroundup_toggled();
+  Q_SLOT void on_FieldDay_Exchange_textChanged();
+  Q_SLOT void on_RTTY_Exchange_textChanged();
 
   // typenames used as arguments must match registered type names :(
   Q_SIGNAL void start_transceiver (unsigned seqeunce_number) const;
@@ -2348,6 +2352,20 @@ void Configuration::impl::on_add_macro_line_edit_editingFinished ()
   ui_->add_macro_line_edit->setText (ui_->add_macro_line_edit->text ().toUpper ());
 }
 
+void Configuration::impl::on_FieldDay_Exchange_textChanged()
+{
+  bool b=ui_->FieldDay_Exchange->hasAcceptableInput() or !ui_->rbFieldDay->isChecked();
+  if(b)  ui_->FieldDay_Exchange->setStyleSheet("color: black");
+  if(!b) ui_->FieldDay_Exchange->setStyleSheet("color: red");
+}
+
+void Configuration::impl::on_RTTY_Exchange_textChanged()
+{
+  bool b=ui_->RTTY_Exchange->hasAcceptableInput() or !ui_->rbRTTYroundup->isChecked();
+  if(b)  ui_->RTTY_Exchange->setStyleSheet("color: black");
+  if(!b) ui_->RTTY_Exchange->setStyleSheet("color: red");
+}
+
 void Configuration::impl::on_delete_macro_push_button_clicked (bool /* checked */)
 {
   auto selection_model = ui_->macros_list_view->selectionModel ();
@@ -2612,6 +2630,16 @@ void Configuration::impl::on_rbNone_toggled(bool b)
   if(!b) ui_->cbGenerate77->setChecked(true);
 }
 
+void Configuration::impl::on_rbFieldDay_toggled()
+{
+  on_FieldDay_Exchange_textChanged();
+}
+
+void Configuration::impl::on_rbRTTYroundup_toggled()
+{
+  on_RTTY_Exchange_textChanged();
+}
+
 void Configuration::impl::on_cbx2ToneSpacing_clicked(bool b)
 {
   if(b) ui_->cbx4ToneSpacing->setChecked(false);
diff --git a/Configuration.ui b/Configuration.ui
index 34366a1a0..47cd2147c 100644
--- a/Configuration.ui
+++ b/Configuration.ui
@@ -2805,7 +2805,7 @@ Right click for insert and delete options.</string>
             <item>
              <layout class="QFormLayout" name="formLayout_17">
               <item row="0" column="0">
-               <widget class="QLabel" name="label_15">
+               <widget class="QLabel" name="labRTTY">
                 <property name="text">
                  <string>Exch:</string>
                 </property>
@@ -2859,7 +2859,7 @@ Right click for insert and delete options.</string>
             <item>
              <layout class="QFormLayout" name="formLayout_16">
               <item row="0" column="0">
-               <widget class="QLabel" name="label_14">
+               <widget class="QLabel" name="labFD">
                 <property name="text">
                  <string>Exch:</string>
                 </property>
@@ -3106,12 +3106,12 @@ soundcard changes</string>
   </connection>
  </connections>
  <buttongroups>
-  <buttongroup name="CAT_stop_bits_button_group"/>
   <buttongroup name="CAT_data_bits_button_group"/>
   <buttongroup name="CAT_handshake_button_group"/>
+  <buttongroup name="CAT_stop_bits_button_group"/>
   <buttongroup name="TX_mode_button_group"/>
-  <buttongroup name="PTT_method_button_group"/>
-  <buttongroup name="TX_audio_source_button_group"/>
   <buttongroup name="split_mode_button_group"/>
+  <buttongroup name="TX_audio_source_button_group"/>
+  <buttongroup name="PTT_method_button_group"/>
  </buttongroups>
 </ui>
diff --git a/ExchangeValidator.cpp b/ExchangeValidator.cpp
index e825d00ca..92c77e6aa 100644
--- a/ExchangeValidator.cpp
+++ b/ExchangeValidator.cpp
@@ -60,8 +60,6 @@ auto ExchangeValidator::validate (QString& input, int& length) const -> State
   }
 
 done:
-  qDebug() << input << ok;
   if(ok) return Acceptable;
-//  return Invalid;
-  return Acceptable;
+  return Intermediate;
 }