Index: trunk/Mars/mdrs/MCalibrateDrsTimes.cc
===================================================================
--- trunk/Mars/mdrs/MCalibrateDrsTimes.cc	(revision 19131)
+++ trunk/Mars/mdrs/MCalibrateDrsTimes.cc	(revision 19132)
@@ -95,5 +95,5 @@
     fCalib = (MDrsCalibrationTime*)pList->FindObject("MDrsCalibrationTime");
     if (!fCalib)
-        *fLog << warn << "MDrsCalibrationTime not found... no calibratuon will be applied." << endl;
+        *fLog << warn << "MDrsCalibrationTime not found... no calibration will be applied." << endl;
 
     fArrivalTime = (MSignalCam*)pList->FindCreateObj(AddSerialNumber("MSignalCam"), fNameCalibrated);
@@ -141,4 +141,6 @@
     {
         const UInt_t sw = idx[hw];
+        if (sw>=fSignals->GetSize())
+            continue;
 
         if (start[hw]<0)