diff --git a/mainwindow.cpp b/mainwindow.cpp
index fd7986a..b45bdb2 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -4512,9 +4512,10 @@ void MainWindow::guiUpdate()
         foxcom_.i3bit[0] = m_i3bit;
 
         if(!m_txFrameQueue.isEmpty()){
-        auto pair = m_txFrameQueue.dequeue();
-        strncpy(&foxcom_.cmsg[1][0], pair.first.toLatin1(), 12);
-        foxcom_.i3bit[1] = pair.second;
+            auto pair = m_txFrameQueue.dequeue();
+            strncpy(&foxcom_.cmsg[1][0], pair.first.toLatin1(), 12);
+            foxcom_.i3bit[1] = pair.second;
+            foxcom_.nslots += 1;
         }
 
         foxgen_();
@@ -8683,11 +8684,11 @@ void MainWindow::updateTxButtonDisplay(){
     if(m_tune || m_transmitting || m_txFrameCount > 0){
         int count = m_txFrameCount;
 #if TEST_FOX_WAVE_GEN
-    count = qMax(1, (int)ceil(float(count)/4.0));
+    count = qMax(1, (int)ceil(float(count)/2.0));
 #endif
-        int sent = count - (int)ceil(float(m_txFrameQueue.count())/4.0);
+        int sent = count - (int)ceil(float(m_txFrameQueue.count())/2.0);
 
-        ui->startTxButton->setText(m_tune ? "Tuning" : QString("Sending (%1/%2)").arg(sent).arg(count));
+        ui->startTxButton->setText(m_tune ? "Tuning" : QString("Turboing (%1/%2)").arg(sent).arg(count));
         ui->startTxButton->setEnabled(false);
     } else {
         ui->startTxButton->setText(m_txFrameCountEstimate <= 0 ? QString("Send") : QString("Turbo Send (%1)").arg(m_txFrameCountEstimate));
diff --git a/plotter.cpp b/plotter.cpp
index 4052eee..5b7139a 100644
--- a/plotter.cpp
+++ b/plotter.cpp
@@ -9,6 +9,7 @@
 #include "DriftingDateTime.h"
 
 #define MAX_SCREENSIZE 2048
+#define TEST_FOX_WAVE_GEN 1
 
 extern "C" {
   void flat4_(float swide[], int* iz, int* nflatten);
@@ -587,6 +588,9 @@ void CPlotter::DrawOverlay()                   //DrawOverlay()
 
   if(m_mode=="FT8"){
       int fwidth=XfromFreq(m_rxFreq+bw)-XfromFreq(m_rxFreq);
+#if TEST_FOX_WAVE_GEN
+      int offset=XfromFreq(m_rxFreq+bw+10)-XfromFreq(m_rxFreq+bw);
+#endif
       QPainter overPainter(&m_DialOverlayPixmap);
       overPainter.initFrom(this);
       overPainter.setCompositionMode(QPainter::CompositionMode_Source);
@@ -595,10 +599,18 @@ void CPlotter::DrawOverlay()                   //DrawOverlay()
       overPainter.setPen(thinRed);
       overPainter.drawLine(0, 30, 0, m_h);
       overPainter.drawLine(fwidth+1, 30, fwidth+1, m_h);
+#if TEST_FOX_WAVE_GEN
+      overPainter.drawLine(offset+fwidth+1, 30, offset+fwidth+1, m_h);
+      overPainter.drawLine(offset+2*fwidth+1, 30, offset+2*fwidth+1, m_h);
+#endif
 
       overPainter.setPen(penRed);
       overPainter.drawLine(0, 26, fwidth, 26);
       overPainter.drawLine(0, 28, fwidth, 28);
+#if TEST_FOX_WAVE_GEN
+      overPainter.drawLine(offset+fwidth, 26, offset+2*fwidth, 26);
+      overPainter.drawLine(offset+fwidth, 28, offset+2*fwidth, 28);
+#endif
 
       QPainter hoverPainter(&m_HoverOverlayPixmap);
       hoverPainter.initFrom(this);
@@ -607,6 +619,10 @@ void CPlotter::DrawOverlay()                   //DrawOverlay()
       hoverPainter.setPen(QPen(Qt::white));
       hoverPainter.drawLine(0, 30, 0, m_h);
       hoverPainter.drawLine(fwidth+1, 30, fwidth+1, m_h);
+#if TEST_FOX_WAVE_GEN
+      hoverPainter.drawLine(offset+fwidth+1, 30, offset+fwidth+1, m_h);
+      hoverPainter.drawLine(offset+2*fwidth+1, 30, offset+2*fwidth+1, m_h);
+#endif
 
 #if DRAW_FREQ_OVERLAY
       int f = FreqfromX(m_lastMouseX);