diff --git a/ClassDigitizer.cpp b/ClassDigitizer.cpp
index 3c3a7b7..12f2c0d 100644
--- a/ClassDigitizer.cpp
+++ b/ClassDigitizer.cpp
@@ -39,7 +39,7 @@ void Digitizer::Initalization(){
   isSettingFilledinMemeory = false;
   settingFileName = "";
   isSettingFileExist = false;
-  isSettingFileCoupled = false;
+  isSettingFileUpdate = false;
   settingFile = NULL;
   
   ret = -1;
@@ -1020,9 +1020,9 @@ unsigned int Digitizer::ReadSettingFromFile(Reg registerAddress, unsigned short
 void Digitizer::SaveSettingToFile(Reg registerAddress, unsigned int value, unsigned short ch){
 
   if ( !isSettingFileExist ) return ;
-  if ( !isSettingFileCoupled ) return;
+  if ( !isSettingFileUpdate ) return;
 
-  printf("Write setting file : %s. %s, ch:%u, 0x%8X\n", settingFileName.c_str(), registerAddress.GetNameChar(), ch, value);
+  // printf("Write setting file : %s. %s, ch:%u, 0x%8X\n", settingFileName.c_str(), registerAddress.GetNameChar(), ch, value);
 
   unsigned short index = registerAddress.Index(ch);
   setting[index] = value;
diff --git a/ClassDigitizer.h b/ClassDigitizer.h
index a16fbb1..311af07 100644
--- a/ClassDigitizer.h
+++ b/ClassDigitizer.h
@@ -54,7 +54,7 @@ class Digitizer{
     std::string  settingFileName;          /// 
     FILE *       settingFile;              /// 
     bool         isSettingFileExist;         /// 
-    bool         isSettingFileCoupled;
+    bool         isSettingFileUpdate;
     bool         isSettingFilledinMemeory; /// false for disabled ReadAllSettingFromBoard()   
     unsigned int setting[SETTINGSIZE];     /// Setting, 4bytes x 2048 = 8192 bytes
     
@@ -150,8 +150,9 @@ class Digitizer{
     unsigned int   GetSettingFromMemory      (Reg registerAddress, unsigned short ch = 0);
     unsigned int * GetSettings()             {return setting;}    
     void           PrintSettingFromMemory();
-    void           SetSettingFileCoupled(bool onOff) {isSettingFileCoupled = onOff;}     
-    bool           IsSettingFileCoupled() const {return isSettingFileCoupled;}     
+    void           SetSettingFileUpdate(bool onOff) {isSettingFileUpdate = onOff;}     
+    bool           IsSettingFileUpdate()  const {return isSettingFileUpdate;}
+    bool           IsSettingFileExist()   const {return isSettingFileExist;}
 
     /// memory <--> file
     void         SaveAllSettingsAsText       (std::string fileName);
diff --git a/DigiSettingsPanel.cpp b/DigiSettingsPanel.cpp
index 4f56cc5..6285ac6 100644
--- a/DigiSettingsPanel.cpp
+++ b/DigiSettingsPanel.cpp
@@ -221,11 +221,15 @@ DigiSettingsPanel::DigiSettingsPanel(Digitizer ** digi, unsigned int nDigi, QStr
       // connect(bnSaveSettingsToText, &QPushButton::clicked, this, [=](){ SaveSetting(1);});
 
       //checkBox, to coupled or decouple the setting file.
-      chkCoupledSettingFile = new QCheckBox("Update Bin", this);
+      chkCoupledSettingFile = new QCheckBox("Update Setting", this);
       buttonLayout->addWidget(chkCoupledSettingFile, rowID, 3);
       chkCoupledSettingFile->setCheckState(Qt::CheckState::Unchecked);
-      connect(chkCoupledSettingFile, &QCheckBox::stateChanged, this, [=](){
-        digi[ID]->SetSettingFileCoupled(chkCoupledSettingFile->isChecked());
+      connect(chkCoupledSettingFile, &QCheckBox::stateChanged, this, [=](int state){
+        digi[ID]->SetSettingFileUpdate(state);
+        if( state && digi[ID]->IsSettingFileExist() ) {
+          std::string filePath = digi[ID]->GetSettingFileName();
+          digi[ID]->SaveAllSettingsAsBin(filePath);
+        }
       });
     }
 
@@ -4032,12 +4036,12 @@ void DigiSettingsPanel::SaveSetting(int opt){
     QString ext = fileInfo.suffix();
     if( opt == 0 ){
       if( ext.isEmpty() ) filePath += ".bin";
-      digi[ID]->SaveAllSettingsAsBin(filePath.toStdString().c_str());
+      digi[ID]->SaveAllSettingsAsBin(filePath.toStdString());
       leSaveFilePath[ID]->setText(filePath);
     }
     if( opt == 1 ){
       if( ext.isEmpty() ) filePath += ".txt";
-      digi[ID]->SaveAllSettingsAsText(filePath.toStdString().c_str());
+      digi[ID]->SaveAllSettingsAsText(filePath.toStdString());
       leSaveFilePath[ID]->setText(filePath + " | not loadable!!");
     }
 
diff --git a/FSUDAQ.cpp b/FSUDAQ.cpp
index ebe7940..18b16e4 100644
--- a/FSUDAQ.cpp
+++ b/FSUDAQ.cpp
@@ -54,20 +54,22 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
 
     cbOpenDigitizers = new RComboBox(this);
     cbOpenDigitizers->addItem("Open Digitizers ... ", 0);
-    cbOpenDigitizers->addItem("Open Digitizers w/o load Settings", 1);
-    cbOpenDigitizers->addItem("Open Digitizers (default program)", 2);
-    cbOpenDigitizers->addItem("Open Digitizers + load Settings", 3);
+    // cbOpenDigitizers->addItem("Open Digitizers w/o load Settings", 1);
+    // cbOpenDigitizers->addItem("Open Digitizers (default program)", 2);
+    // cbOpenDigitizers->addItem("Open Digitizers + load Settings", 3);
     //cbOpenDigitizers->addItem("Open Digitizers via USB", 3);
     cbOpenDigitizers->addItem("Open Digitizers via A4818", 4);
     layout->addWidget(cbOpenDigitizers, 0, 0);
     connect(cbOpenDigitizers, &RComboBox::currentIndexChanged, this, &MainWindow::OpenDigitizers);
-
-    // bnOpenDigitizers = new QPushButton("Open Digitizers", this);
-    // layout->addWidget(bnOpenDigitizers, 0, 0);
-    // connect(bnOpenDigitizers, &QPushButton::clicked, this, &MainWindow::OpenDigitizers);
     
+    cbOpenMethod = new RComboBox(this);
+    cbOpenMethod->addItem("w/o settings", 0);
+    cbOpenMethod->addItem("default Program", 1);
+    cbOpenMethod->addItem("w/ settings", 1);
+    layout->addWidget(cbOpenMethod, 1, 0);
+
     bnCloseDigitizers = new QPushButton("Close Digitizers", this);
-    layout->addWidget(bnCloseDigitizers, 1, 0);
+    layout->addWidget(bnCloseDigitizers, 2, 0);
     connect(bnCloseDigitizers, &QPushButton::clicked, this, &MainWindow::CloseDigitizers);
 
     bnDigiSettings = new QPushButton("Digitizers Settings", this);
@@ -89,7 +91,7 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent){
     connect(bnCanvas, &QPushButton::clicked, this, &MainWindow::OpenCanvas);
 
     bnSync = new QPushButton("Sync Boards", this);
-    layout->addWidget(bnSync);
+    layout->addWidget(bnSync,  2, 1);
     connect(bnSync, &QPushButton::clicked, this, &MainWindow::SetSyncMode);
 
   }
@@ -580,7 +582,6 @@ void MainWindow::OpenDigitizers(){
       cbOpenDigitizers->setCurrentIndex(0);
       return;
     }
-
   }
 
   if( cbOpenDigitizers->currentData().toInt() == 4 ) {
@@ -588,6 +589,7 @@ void MainWindow::OpenDigitizers(){
   }else{
     LogMsg("Searching digitizers via optical link or USB .....Please wait");
   }
+
   logMsgHTMLMode = false;
   nDigi = 0;
   std::vector<std::pair<int, int>> portList; //boardID, portID
@@ -614,10 +616,9 @@ void MainWindow::OpenDigitizers(){
     cbOpenDigitizers->setCurrentIndex(0);
     return;
   }else{
-    if( cbOpenDigitizers->currentIndex() == 1 ) LogMsg(QString("Done seraching. Found %1 digitizer(s). Opening digitizer(s)....").arg(nDigi));
-    if( cbOpenDigitizers->currentIndex() == 2 ) LogMsg(QString("Done seraching. Found %1 digitizer(s). Opening digitizer(s) and program default....").arg(nDigi));
-    if( cbOpenDigitizers->currentIndex() == 3 ) LogMsg(QString("Done seraching. Found %1 digitizer(s). Opening digitizer(s) and load settings....").arg(nDigi));
-    
+    if( cbOpenMethod->currentData().toInt() == 0 ) LogMsg(QString("Done seraching. Found %1 digitizer(s). Opening digitizer(s)....").arg(nDigi));
+    if( cbOpenMethod->currentData().toInt() == 1 ) LogMsg(QString("Done seraching. Found %1 digitizer(s). Opening digitizer(s) and program default....").arg(nDigi));
+    if( cbOpenMethod->currentData().toInt() == 2 ) LogMsg(QString("Done seraching. Found %1 digitizer(s). Opening digitizer(s) and load settings....").arg(nDigi));    
   }
   
   digi = new Digitizer * [nDigi];
@@ -627,12 +628,12 @@ void MainWindow::OpenDigitizers(){
     digi[i] = new Digitizer(portList[i].first, portList[i].second);
     //digi[i]->Reset();
 
-    if( cbOpenDigitizers->currentIndex() == 2 ) {
+    if( cbOpenMethod->currentData().toInt() == 1 ) {
       digi[i]->ProgramBoard();
     }
 
     ///============== load settings 
-    if( cbOpenDigitizers->currentIndex() == 3 ){
+    if( cbOpenMethod->currentData().toInt() == 2 ){
       QString fileName = rawDataPath + "/Digi-" + QString::number(digi[i]->GetSerialNumber()) + "_" + QString::fromStdString(digi[i]->GetData()->DPPTypeStr) + ".bin";
       QFile file(fileName);
       if( !file.open(QIODevice::Text | QIODevice::ReadOnly) ) {
@@ -777,6 +778,7 @@ void MainWindow::WaitForDigitizersOpen(bool onOff){
   // bnOpenDigitizers->setEnabled(onOff);
 
   cbOpenDigitizers->setEnabled(onOff);
+  cbOpenMethod->setEnabled(onOff);
 
   bnCloseDigitizers->setEnabled(!onOff);
   bnOpenScope->setEnabled(!onOff);
diff --git a/FSUDAQ.h b/FSUDAQ.h
index 7f4c1bd..952c7bf 100644
--- a/FSUDAQ.h
+++ b/FSUDAQ.h
@@ -104,6 +104,7 @@ private:
   int elogID;
 
   RComboBox * cbOpenDigitizers;
+  RComboBox * cbOpenMethod;
 
   //QPushButton * bnOpenDigitizers;
   QPushButton * bnCloseDigitizers;