diff --git a/mainwindow.cpp b/mainwindow.cpp
index e48c5c211..355058f3e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -929,6 +929,11 @@ MainWindow::MainWindow(QDir const& temp_directory, bool multiple,
     ui->cbMenus->setChecked(false);
   }
 
+  mouseLastPos=QCursor::pos();
+  m_mouseIdleSeconds=0;
+  connect(&mouseTimer, &QTimer::timeout, this, &MainWindow::mouseTimerTick);
+  mouseTimer.start(1000);
+
   // this must be the last statement of constructor
   if (!m_valid) throw std::runtime_error {"Fatal initialization exception"};
 }
@@ -954,6 +959,22 @@ void MainWindow::initialize_fonts ()
   setDecodedTextFont (m_config.decoded_text_font ());
 }
 
+void MainWindow::mouseTimerTick()
+{
+  QPoint point = QCursor::pos();
+  if(point != mouseLastPos)
+    m_mouseIdleSeconds = 0;
+  else
+    m_mouseIdleSeconds++;
+  mouseLastPos = point;
+//Here we should do what's necessary when mouseIdleSeconds gets too big.
+//  qDebug() << m_mouseIdleSeconds;
+  if(ui->cbAutoSeq->isChecked() and m_mouseIdleSeconds>300) {
+    auto_tx_mode (false);
+  }
+}
+
+
 void MainWindow::splash_done ()
 {
   m_splash && m_splash->close ();
diff --git a/mainwindow.h b/mainwindow.h
index 6a6a88d02..856a1ff6a 100644
--- a/mainwindow.h
+++ b/mainwindow.h
@@ -442,7 +442,7 @@ private:
   qint32  m_Nslots=5;
   qint32  m_nFoxMsgTimes[5]={0,0,0,0,0};
   qint32  m_tAutoOn;
-//  qint32  m_maxQSOs;
+  qint32  m_mouseIdleSeconds;
   qint32  m_tFoxTx=0;
   qint32  m_tFoxTx0=0;
   qint32  m_maxStrikes=3;      //Max # of repeats: 3 strikes and you're out
@@ -566,6 +566,9 @@ private:
   QTimer minuteTimer;
   QTimer splashTimer;
   QTimer p1Timer;
+  QTimer mouseTimer;
+
+  QPoint mouseLastPos;
 
   QString m_path;
   QString m_baseCall;
@@ -695,6 +698,7 @@ private:
   void cabLog();
   void useNextCall();
   void abortQSO();
+  void mouseTimerTick();
   bool isWorked(int itype, QString key, float fMHz=0, QString="");
 
   QString save_wave_file (QString const& name