diff --git a/ClassDigitizer.cpp b/ClassDigitizer.cpp
index 9297fba..f005a5e 100644
--- a/ClassDigitizer.cpp
+++ b/ClassDigitizer.cpp
@@ -587,10 +587,13 @@ int Digitizer::ReadData(){
     ErrorMsg(__func__);
   }
 
+  acqStatus = ReadRegister(DPP::AcquisitionStatus_R);
+    
+
   return ret;
 }
 
-void Digitizer::PrintACQStatue(){
+void Digitizer::ReadAndPrintACQStatue(){
   if( !isConnected ) return;
   unsigned int status = ReadRegister(DPP::AcquisitionStatus_R);
   
diff --git a/ClassDigitizer.h b/ClassDigitizer.h
index aa03071..29faa72 100644
--- a/ClassDigitizer.h
+++ b/ClassDigitizer.h
@@ -62,6 +62,8 @@ class Digitizer{
 
     uint32_t     returnData;
 
+    uint32_t acqStatus;
+
   public:
     Digitizer(); /// no digitizer open
     Digitizer(int boardID, int portID = 0, bool program = false, bool verbose = false); 
@@ -92,7 +94,8 @@ class Digitizer{
     int    ReadData();
     bool   IsRunning() const {return AcqRun;}
     Data * GetData()   const {return data;}
-    void   PrintACQStatue();
+    uint32_t GetACQStatus() const {return acqStatus;}
+    void   ReadAndPrintACQStatue();
 
     unsigned int CalByteForBuffer();
 
diff --git a/FSUDAQ.cpp b/FSUDAQ.cpp
index 406bd29..a4c97a8 100644
--- a/FSUDAQ.cpp
+++ b/FSUDAQ.cpp
@@ -974,14 +974,13 @@ void MainWindow::UpdateScalar(){
 
   lbLastUpdateTime->setText("Last update: " + QDateTime::currentDateTime().toString("MM.dd hh:mm:ss"));
 
-  //printf("----------------------\n");
   uint64_t totalFileSize = 0;
   for( unsigned int iDigi = 0; iDigi < nDigi; iDigi++){
     if( digi[iDigi]->IsBoardDisabled() ) continue;
 
     digiMTX[iDigi].lock();
 
-    uint32_t acqStatus = digi[iDigi]->ReadRegister(DPP::AcquisitionStatus_R);
+    uint32_t acqStatus = digi[iDigi]->GetACQStatus();
     if( ( acqStatus >> 2 ) & 0x1 ){
       runStatus[iDigi]->setStyleSheet("background-color : green;");
     }else{