Index: trunk/MagicSoft/Simulation/Detector/include-MTrigger/MTrigger.cxx
===================================================================
--- trunk/MagicSoft/Simulation/Detector/include-MTrigger/MTrigger.cxx	(revision 674)
+++ trunk/MagicSoft/Simulation/Detector/include-MTrigger/MTrigger.cxx	(revision 675)
@@ -798,5 +798,5 @@
 
 
-void MTrigger::SetNSB( Int_t iPix, Float_t resp[TRIGGER_TIME_SLICES]){
+void MTrigger::AddNSB( Int_t iPix, Float_t resp[TRIGGER_TIME_SLICES]){
   // ================================================================
   //
@@ -846,5 +846,5 @@
     for ( i = 0 ; i<TRIGGER_TIME_SLICES; i++ ) {
       
-      a_sig[iPix][i] = resp[i];
+      a_sig[iPix][i] += resp[i];
     }