Index: /trunk/MagicSoft/Mars/msignal/MExtractor.cc
===================================================================
--- /trunk/MagicSoft/Mars/msignal/MExtractor.cc	(revision 3889)
+++ /trunk/MagicSoft/Mars/msignal/MExtractor.cc	(revision 3890)
@@ -74,6 +74,14 @@
 // Default constructor. 
 //
+// Set: 
+// - all pointers to NULL
+// - all variables to 0
+// - fSaturationLimit to fgSaturationLimit
+//
+// Call:
+// -  AddToBranchList("MRawEvtData.*")
 MExtractor::MExtractor(const char *name, const char *title)
-    : fNumHiGainSamples(0.), fNumLoGainSamples(0.), fSaturationLimit(fgSaturationLimit)
+    : fPedestals(NULL), fSignals(NULL), fRawEvt(NULL), fRunHeader(NULL),
+      fNumHiGainSamples(0.), fNumLoGainSamples(0.), fSaturationLimit(fgSaturationLimit)
 {