Index: trunk/MagicSoft/Mars/msignal/MExtractedSignalCam.cc
===================================================================
--- trunk/MagicSoft/Mars/msignal/MExtractedSignalCam.cc	(revision 7844)
+++ trunk/MagicSoft/Mars/msignal/MExtractedSignalCam.cc	(revision 7864)
@@ -183,6 +183,12 @@
             return kFALSE;
 
+        if (pix.GetExtractedSignalLoGain()<=0 || pix.GetExtractedSignalHiGain()<=0)
+            return kFALSE;
+
+        //val = log10(pix.GetExtractedSignalHiGain())-log10(pix.GetExtractedSignalLoGain());
+        //return TMath::Abs(val-1)<0.4;
         val = pix.GetExtractedSignalHiGain()/pix.GetExtractedSignalLoGain();
-        return pix.GetExtractedSignalLoGain()>2 && val<25;
+        //return val>4 && val<30;
+        return val>4 && val<35;
 
     default: