diff --git a/src/classes/PMsrHandler.cpp b/src/classes/PMsrHandler.cpp
index 367d54b8..2efaf110 100644
--- a/src/classes/PMsrHandler.cpp
+++ b/src/classes/PMsrHandler.cpp
@@ -309,7 +309,7 @@ cout << endl;
 /**
  * <p>
  */
-int PMsrHandler::WriteMsrLogFile()
+int PMsrHandler::WriteMsrLogFile(TString ext)
 {
   const unsigned int prec = 6; // output precision for float/doubles
 
@@ -327,7 +327,10 @@ int PMsrHandler::WriteMsrLogFile()
     ostr = dynamic_cast<TObjString*>(tokens->At(i));
     str += ostr->GetString() + TString(".");
   }
-  str += "mlog";
+  if (ext.Length() != 0)
+    str += ext;
+  else
+    str += "mlog";
 
   // clean up
   if (tokens) {
@@ -1874,7 +1877,7 @@ bool PMsrHandler::HandleCommandsEntry(PMsrLines &lines)
   PMsrLines::iterator iter;
 
   if (lines.empty()) {
-    cout << endl << "WARNING: There is no COMMANDS block! Do you really want this?";
+    cout << endl << "**WARNING**: There is no COMMANDS block! Do you really want this?";
     cout << endl;
   }
 
@@ -1918,14 +1921,14 @@ void PMsrHandler::InitFourierParameterStructure(PMsrFourierStructure &fourier)
  */
 bool PMsrHandler::HandleFourierEntry(PMsrLines &lines)
 {
-cout << endl << ">> in PMsrHandler::HandleFourierEntry ...";
+//cout << endl << ">> in PMsrHandler::HandleFourierEntry ...";
 
   bool error = false;
 
   if (lines.empty()) // no fourier block present
     return true;
 
-cout << endl << ">> in PMsrHandler::HandleFourierEntry, Fourier block present ...";
+//cout << endl << ">> in PMsrHandler::HandleFourierEntry, Fourier block present ...";
 
   PMsrFourierStructure fourier;
 
@@ -2149,7 +2152,7 @@ bool PMsrHandler::HandlePlotEntry(PMsrLines &lines)
   TString str2;
 
   if (lines.empty()) {
-    cout << endl << "WARNING: There is no PLOT block! Do you really want this?";
+    cout << endl << "**WARNING**: There is no PLOT block! Do you really want this?";
     cout << endl;
   }
 
diff --git a/src/classes/PMusrT0.cpp b/src/classes/PMusrT0.cpp
index 2996ceb7..69ff411c 100644
--- a/src/classes/PMusrT0.cpp
+++ b/src/classes/PMusrT0.cpp
@@ -86,7 +86,7 @@ PMusrT0::PMusrT0()
  */
 PMusrT0::PMusrT0(PRawRunData *rawRunData, int runNo, int histoNo, int detectorTag, int addRunNo)
 {
-  cout << endl << "run Name = " << rawRunData->fRunName.Data() << ", histoNo = " << histoNo << endl;
+//  cout << endl << "run Name = " << rawRunData->fRunName.Data() << ", histoNo = " << histoNo << endl;
 
   fStatus = 0; // default is quit locally
 
@@ -289,7 +289,6 @@ void PMusrT0::InitDataAndBkg()
   fData->Draw("p0 9 hist same");
 
   // feed background histo
-  int fBkgRange[2];
   switch (fDetectorTag) {
     case DETECTOR_TAG_FORWARD:
       fBkgRange[0] = fMsrHandler->GetMsrRunList()->at(fRunNo).fBkgRange[0 + fAddRunNo * fAddRunOffset];
@@ -653,8 +652,6 @@ void PMusrT0::SetBkgLastChannel()
  */
 void PMusrT0::UnZoom()
 {
-  cout << endl << ">> in UnZoom ..." << endl;
-
   fHisto->GetXaxis()->UnZoom();
 
   fMainCanvas->Modified(); // needed that Update is actually working
diff --git a/src/classes/PRunAsymmetry.cpp b/src/classes/PRunAsymmetry.cpp
index e003b30f..68b7d7fd 100644
--- a/src/classes/PRunAsymmetry.cpp
+++ b/src/classes/PRunAsymmetry.cpp
@@ -436,7 +436,6 @@ bool PRunAsymmetry::PrepareData()
   }
 
   // subtract background from histogramms ------------------------------------------
-cout << endl << ">> fBkgFix.size() = " << fRunInfo->fBkgFix.size() << ", fBkgRange.size() = " << fRunInfo->fBkgRange.size() << endl;
   if (fRunInfo->fBkgFix.size() == 0) { // no fixed background given
     if (fRunInfo->fBkgRange.size() != 0) {
       if (!SubtractEstimatedBkg())
diff --git a/src/include/PMsrHandler.h b/src/include/PMsrHandler.h
index 30ced7e7..f452fa1b 100644
--- a/src/include/PMsrHandler.h
+++ b/src/include/PMsrHandler.h
@@ -51,7 +51,7 @@ class PMsrHandler
     virtual ~PMsrHandler();
 
     virtual int ReadMsrFile();
-    virtual int WriteMsrLogFile();
+    virtual int WriteMsrLogFile(TString ext=TString(""));
 
     virtual TString*                GetMsrTitle() { return &fTitle; }
     virtual PMsrParamList*          GetMsrParamList() { return &fParam; }
diff --git a/src/musrt0.cpp b/src/musrt0.cpp
index 0b5e6374..8f39d6ef 100644
--- a/src/musrt0.cpp
+++ b/src/musrt0.cpp
@@ -286,6 +286,9 @@ int main(int argc, char *argv[])
   }
 cout << endl;
 
+  // write msr-file
+  msrHandler->WriteMsrLogFile("msr");
+
   // clean up
   musrt0_cleanup(saxParser, startupHandler, msrHandler, dataHandler);