Index: trunk/MagicSoft/Mars/mcalib/MHCalibrationPixel.cc
===================================================================
--- trunk/MagicSoft/Mars/mcalib/MHCalibrationPixel.cc	(revision 3084)
+++ trunk/MagicSoft/Mars/mcalib/MHCalibrationPixel.cc	(revision 3086)
@@ -289,5 +289,5 @@
   fPSDExpFit->SetParNames("Offset","Slope");
   fPSDExpFit->SetParLimits(0,offset_guess/2.,2.*offset_guess);
-  fPSDExpFit->SetParLimits(1,slope_guess/2.,2.*slope_guess);
+  fPSDExpFit->SetParLimits(1,slope_guess/1.5,1.5*slope_guess);
   fPSDExpFit->SetRange(0.,xmax);
 
@@ -539,5 +539,4 @@
   newobj->SetBit(kCanDelete);
 
-
   if (strlen(option)) 
     newobj->Draw(option);