Index: /trunk/FACT++/gui/MainWindow.cc
===================================================================
--- /trunk/FACT++/gui/MainWindow.cc	(revision 11605)
+++ /trunk/FACT++/gui/MainWindow.cc	(revision 11606)
@@ -327,4 +327,9 @@
 }
 
+void MainWindow::on_fFadPrescalerCmd_valueChanged(int val)
+{
+    Dim::SendCommand("FAD_CONTROL/SET_TRIGGER_RATE", uint32_t(val));
+}
+
 void MainWindow::on_fFadRunNumberCmd_valueChanged(int val)
 {
Index: /trunk/FACT++/gui/MainWindow.h
===================================================================
--- /trunk/FACT++/gui/MainWindow.h	(revision 11605)
+++ /trunk/FACT++/gui/MainWindow.h	(revision 11606)
@@ -83,4 +83,5 @@
     void on_fFadSocket17_clicked();
 
+    void on_fFadPrescalerCmd_valueChanged(int);
     void on_fFadRunNumberCmd_valueChanged(int);
     void on_fFadRoiCmd_valueChanged(int);
Index: /trunk/FACT++/gui/design.ui
===================================================================
--- /trunk/FACT++/gui/design.ui	(revision 11605)
+++ /trunk/FACT++/gui/design.ui	(revision 11606)
@@ -53,5 +53,5 @@
       </property>
       <property name="currentIndex">
-       <number>6</number>
+       <number>3</number>
       </property>
       <property name="documentMode">
@@ -3328,5 +3328,5 @@
                       <widget class="QSpinBox" name="fFadPrescalerCmd">
                        <property name="enabled">
-                        <bool>false</bool>
+                        <bool>true</bool>
                        </property>
                        <property name="alignment">
@@ -6024,16 +6024,4 @@
                <enum>QAbstractSpinBox::NoButtons</enum>
               </property>
-              <property name="currentSection">
-               <enum>QDateTimeEdit::HourSection</enum>
-              </property>
-              <property name="displayFormat">
-               <string>hh:mm:ss</string>
-              </property>
-              <property name="calendarPopup">
-               <bool>false</bool>
-              </property>
-              <property name="timeSpec">
-               <enum>Qt::OffsetFromUTC</enum>
-              </property>
               <property name="time">
                <time>
@@ -6042,4 +6030,16 @@
                 <second>0</second>
                </time>
+              </property>
+              <property name="currentSection">
+               <enum>QDateTimeEdit::HourSection</enum>
+              </property>
+              <property name="displayFormat">
+               <string>hh:mm:ss</string>
+              </property>
+              <property name="calendarPopup">
+               <bool>false</bool>
+              </property>
+              <property name="timeSpec">
+               <enum>Qt::OffsetFromUTC</enum>
               </property>
              </widget>
@@ -6166,16 +6166,4 @@
                <enum>QAbstractSpinBox::NoButtons</enum>
               </property>
-              <property name="currentSection">
-               <enum>QDateTimeEdit::HourSection</enum>
-              </property>
-              <property name="displayFormat">
-               <string>hh:mm:ss</string>
-              </property>
-              <property name="calendarPopup">
-               <bool>false</bool>
-              </property>
-              <property name="timeSpec">
-               <enum>Qt::OffsetFromUTC</enum>
-              </property>
               <property name="time">
                <time>
@@ -6184,4 +6172,16 @@
                 <second>0</second>
                </time>
+              </property>
+              <property name="currentSection">
+               <enum>QDateTimeEdit::HourSection</enum>
+              </property>
+              <property name="displayFormat">
+               <string>hh:mm:ss</string>
+              </property>
+              <property name="calendarPopup">
+               <bool>false</bool>
+              </property>
+              <property name="timeSpec">
+               <enum>Qt::OffsetFromUTC</enum>
               </property>
              </widget>