Index: trunk/MagicSoft/Mars/mcalib/MCalibrateData.cc
===================================================================
--- trunk/MagicSoft/Mars/mcalib/MCalibrateData.cc	(revision 6775)
+++ trunk/MagicSoft/Mars/mcalib/MCalibrateData.cc	(revision 6820)
@@ -669,6 +669,14 @@
             if (sig.IsLoGainUsed())
             {
-                signal    = sig.GetExtractedSignalLoGain()*fHiLoConv   [pixidx];
-                signalErr = sig.GetExtractedSignalLoGain()*fHiLoConvErr[pixidx];
+              if (fHiLoConv[pixidx] < 0.5)
+                {
+                  signal    = sig.GetExtractedSignalHiGain()*1.5;
+                  signalErr = sig.GetExtractedSignalHiGain()*2.;
+                }
+              else
+                {
+                  signal    = sig.GetExtractedSignalLoGain()*fHiLoConv   [pixidx];
+                  signalErr = sig.GetExtractedSignalLoGain()*fHiLoConvErr[pixidx];
+                }
             }
             else