diff --git a/WSJT-X_Users_Guide.docx b/WSJT-X_Users_Guide.docx
index 5d0a37332..f03482538 100644
Binary files a/WSJT-X_Users_Guide.docx and b/WSJT-X_Users_Guide.docx differ
diff --git a/mainwindow.cpp b/mainwindow.cpp
index 471655c59..087022b61 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -17,6 +17,7 @@
 
 int itone[85];                        //Tx audio tones for 85 symbols
 int icw[250];                         //Dits for CW ID
+int outBufSize;
 int rc;
 static int nc1=1;
 wchar_t buffer[256];
@@ -418,7 +419,7 @@ void MainWindow::writeSettings()
   settings.setValue("pttData",m_pttData);
   settings.setValue("LogQSOgeom",m_logQSOgeom);
   settings.setValue("Polling",m_poll);
-
+  settings.setValue("OutBufSize",outBufSize);
   settings.endGroup();
 }
 
@@ -533,6 +534,8 @@ void MainWindow::readSettings()
   m_pttData=settings.value("pttData",false).toBool();
   m_poll=settings.value("Polling",0).toInt();
   m_logQSOgeom=settings.value("LogQSOgeom",QRect(500,400,424,283)).toRect();
+  outBufSize=settings.value("OutBufSize",4096).toInt();
+  settings.endGroup();
 
   if(!ui->actionLinrad->isChecked() && !ui->actionCuteSDR->isChecked() &&
     !ui->actionAFMHot->isChecked() && !ui->actionBlue->isChecked()) {
@@ -774,6 +777,36 @@ void MainWindow::keyPressEvent( QKeyEvent *e )                //keyPressEvent
   int n;
   switch(e->key())
   {
+  case Qt::Key_1:
+    if(e->modifiers() & Qt::AltModifier) {
+      ui->txrb1->setChecked(true);
+      break;
+    }
+  case Qt::Key_2:
+    if(e->modifiers() & Qt::AltModifier) {
+      ui->txrb2->setChecked(true);
+      break;
+    }
+  case Qt::Key_3:
+    if(e->modifiers() & Qt::AltModifier) {
+      ui->txrb3->setChecked(true);
+      break;
+    }
+  case Qt::Key_4:
+    if(e->modifiers() & Qt::AltModifier) {
+      ui->txrb4->setChecked(true);
+      break;
+    }
+  case Qt::Key_5:
+    if(e->modifiers() & Qt::AltModifier) {
+      ui->txrb5->setChecked(true);
+      break;
+    }
+  case Qt::Key_6:
+    if(e->modifiers() & Qt::AltModifier) {
+      ui->txrb6->setChecked(true);
+      break;
+    }
   case Qt::Key_D:
     if(e->modifiers() & Qt::ShiftModifier) {
       if(!m_decoderBusy) {
@@ -783,9 +816,6 @@ void MainWindow::keyPressEvent( QKeyEvent *e )                //keyPressEvent
       }
     }
     break;
-  case Qt::Key_F3:
-    btxMute=!btxMute;
-    break;
   case Qt::Key_F4:
     ui->dxCallEntry->setText("");
     ui->dxGridEntry->setText("");
@@ -1139,8 +1169,7 @@ void MainWindow::on_actionKeyboard_shortcuts_triggered()
   pShortcuts->setReadOnly(true);
   pShortcuts->setFontPointSize(10);
   pShortcuts->setWindowTitle("Keyboard Shortcuts");
-//  pShortcuts->setGeometry(m_wideGraphGeom);
-  pShortcuts->setGeometry(QRect(45,50,430,420));
+  pShortcuts->setGeometry(QRect(45,50,430,440));
   Qt::WindowFlags flags = Qt::WindowCloseButtonHint |
       Qt::WindowMinimizeButtonHint;
   pShortcuts->setWindowFlags(flags);
diff --git a/rigclass.cpp b/rigclass.cpp
index 36b9da83d..a2700e36c 100644
--- a/rigclass.cpp
+++ b/rigclass.cpp
@@ -79,8 +79,8 @@ int Rig::init(rig_model_t rig_model)
 
 int Rig::open(int n) {
   m_hrd=(n==9999);
-  if(m_hrd) {
 #ifdef WIN32
+  if(m_hrd) {
     bool bConnect=false;
     bConnect = HRDInterfaceConnect(L"localhost",7809);
     if(bConnect) {
@@ -92,10 +92,12 @@ int Rig::open(int n) {
       m_hrd=false;
       return -1;
     }
-#endif
   } else {
     return rig_open(theRig);
   }
+#else
+  return rig_open(theRig);
+#endif
 }
 
 int Rig::close(void) {
diff --git a/soundout.cpp b/soundout.cpp
index a1e9dd211..2d2eefb89 100644
--- a/soundout.cpp
+++ b/soundout.cpp
@@ -1,6 +1,6 @@
 #include "soundout.h"
 
-#define FRAMES_PER_BUFFER 1024
+//#define FRAMES_PER_BUFFER 1024
 
 extern "C" {
 #include <portaudio.h>
@@ -9,6 +9,7 @@ extern "C" {
 extern float gran();                  //Noise generator (for tests only)
 extern int itone[85];                 //Tx audio tones for 85 symbols
 extern int icw[250];                  //Dits for CW ID
+extern int outBufSize;
 extern bool btxok;
 extern bool btxMute;
 extern double outputLatency;
@@ -166,7 +167,7 @@ void SoundOutThread::run()
         NULL,                               //No input parameters
         &outParam,                          //Output parameters
         48000.0,                            //Sample rate
-        FRAMES_PER_BUFFER,                  //Frames per buffer
+        outBufSize,                         //Frames per buffer
         paClipOff,                          //No clipping
         d2aCallback,                        //output callbeck routine
         &udata);                            //userdata
@@ -196,7 +197,7 @@ void SoundOutThread::run()
     m_SamFacOut=1.0;
     if(udata.ncall>400) {
       qint64 ms = QDateTime::currentMSecsSinceEpoch();
-      m_SamFacOut=udata.ncall*FRAMES_PER_BUFFER*1000.0/(48000.0*(ms-ms0-50));
+      m_SamFacOut=udata.ncall*outBufSize*1000.0/(48000.0*(ms-ms0-50));
     }
     msleep(100);
   }
diff --git a/wsjtx.iss b/wsjtx.iss
index fb9b3f7d5..f1c87ab83 100644
--- a/wsjtx.iss
+++ b/wsjtx.iss
@@ -1,6 +1,6 @@
 [Setup]
 AppName=wsjtx
-AppVerName=wsjtx Version 0.99 r3297
+AppVerName=wsjtx Version 0.99 r3313
 AppCopyright=Copyright (C) 2001-2013 by Joe Taylor, K1JT
 DefaultDirName=c:\wsjtx
 DefaultGroupName=wsjtx