Index: /trunk/MagicSoft/Mars/mhist/MHFadcCam.h
===================================================================
--- /trunk/MagicSoft/Mars/mhist/MHFadcCam.h	(revision 1654)
+++ /trunk/MagicSoft/Mars/mhist/MHFadcCam.h	(revision 1655)
@@ -56,4 +56,6 @@
     void DrawLo(UInt_t i)      { GetHistLo(i)->Draw(); }
 
+    Bool_t HasLo(UInt_t i) const { return GetHistLo(i)->GetEntries()>0; }
+
     void DrawPix(UInt_t i)     { (*this)[i].Draw(); }