diff --git a/src/dataformatpanel.cpp b/src/dataformatpanel.cpp
--- a/src/dataformatpanel.cpp
+++ b/src/dataformatpanel.cpp
@@ -47,21 +47,22 @@ DataFormatPanel::DataFormatPanel(QSerial
     ui->rbBinary->setChecked(true);
     ui->horizontalLayout->addWidget(bsReader.settingsWidget(), 1);
 
-    // initalize reader selection buttons
-    connect(ui->rbBinary, &QRadioButton::toggled, [this](bool checked)
-            {
-                if (checked) selectReader(&bsReader);
-            });
+    selectReader(&asciiReader);
+//    // initalize reader selection buttons
+//    connect(ui->rbBinary, &QRadioButton::toggled, [this](bool checked)
+//            {
+//                if (checked) selectReader(&bsReader);
+//            });
 
-    connect(ui->rbAscii, &QRadioButton::toggled, [this](bool checked)
-            {
-                if (checked) selectReader(&asciiReader);
-            });
+//    connect(ui->rbAscii, &QRadioButton::toggled, [this](bool checked)
+//            {
+//                if (checked) selectReader(&asciiReader);
+//            });
 
-    connect(ui->rbFramed, &QRadioButton::toggled, [this](bool checked)
-            {
-                if (checked) selectReader(&framedReader);
-            });
+//    connect(ui->rbFramed, &QRadioButton::toggled, [this](bool checked)
+//            {
+//                if (checked) selectReader(&framedReader);
+//            });
 }
 
 DataFormatPanel::~DataFormatPanel()