diff --git a/WSJT-X_Users_Guide.docx b/WSJT-X_Users_Guide.docx
index 162413087..34141c2b3 100644
Binary files a/WSJT-X_Users_Guide.docx and b/WSJT-X_Users_Guide.docx differ
diff --git a/devsetup.cpp b/devsetup.cpp
index 9faa4c482..c50641a63 100644
--- a/devsetup.cpp
+++ b/devsetup.cpp
@@ -159,6 +159,7 @@ void DevSetup::initDlg()
   ui.cbDTRoff->setEnabled(m_catEnabled);
   ui.rbData->setEnabled(m_catEnabled);
   ui.rbMic->setEnabled(m_catEnabled);
+  ui.pollSpinBox->setEnabled(m_catEnabled);
   bool b=m_pttMethodIndex==1 or m_pttMethodIndex==2 or m_catEnabled;
   ui.testPTTButton->setEnabled(b);
   ui.rigComboBox->setCurrentIndex(m_rigIndex);
@@ -362,6 +363,7 @@ void DevSetup::on_cbEnableCAT_toggled(bool b)
   ui.cbDTRoff->setEnabled(b);
   ui.rbData->setEnabled(b);
   ui.rbMic->setEnabled(b);
+  ui.pollSpinBox->setEnabled(m_catEnabled);
   bool b2=(m_pttMethodIndex==1 or m_pttMethodIndex==2 or m_catEnabled) and
       !(m_pttMethodIndex==3);
   ui.testPTTButton->setEnabled(b2);
diff --git a/lib/Makefile.MinGW b/lib/Makefile.MinGW
index ef894a955..98bd680cc 100644
--- a/lib/Makefile.MinGW
+++ b/lib/Makefile.MinGW
@@ -90,6 +90,9 @@ genjt9.o: genjt9.f90 jt9sync.f90
 redsync.o: redsync.f90 jt9sync.f90
 	$(FC) $(FFLAGS) -c redsync.f90
 
+unpackmsg.o: unpackmsg.f90
+	$(FC) -c -O0 -fbounds-check -Wall -Wno-precision-loss unpackmsg.f90
+
 ipcomm.o: ipcomm.cpp
 	g++ -c $(INCPATH) ipcomm.cpp
 
diff --git a/mainwindow.cpp b/mainwindow.cpp
index d47a73202..97f26222e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -273,8 +273,7 @@ MainWindow::MainWindow(QSharedMemory *shdmem, QWidget *parent) :
 
   ui->decodedTextLabel->setFont(ui->decodedTextBrowser->font());
   ui->decodedTextLabel2->setFont(ui->decodedTextBrowser2->font());
-  // 2022   0  0.1 1446  W5NZ EA6BB JM19
-  t="UTC   dB   DT Freq  Message";
+  t="UTC  dB   DT Freq   Message";
   ui->decodedTextLabel->setText(t);
   ui->decodedTextLabel2->setText(t);
 
@@ -2781,7 +2780,6 @@ void MainWindow::rigOpen()
     rig->setConf("rts_state","OFF");
     rig->setConf("dtr_state","OFF");
   }
-
   ret=rig->open();
   if(ret==RIG_OK) {
     m_bRigOpen=true;