Index: trunk/MagicSoft/Mars/mdatacheck/MGDisplayAdc.cc
===================================================================
--- trunk/MagicSoft/Mars/mdatacheck/MGDisplayAdc.cc	(revision 1653)
+++ trunk/MagicSoft/Mars/mdatacheck/MGDisplayAdc.cc	(revision 1654)
@@ -324,5 +324,7 @@
     fCanvas->Clear();
 
-    switch (fHistoType)
+    const Int_t type = fHists->HasLo(selected-1) ? fHistoType : M_RADIO_HI;
+
+    switch (type)
     {
     case M_RADIO_HI:
@@ -331,5 +333,5 @@
 
         fCanvas->cd();
-        if (fHistoType==M_RADIO_HI)
+        if (type==M_RADIO_HI)
             fHists->DrawHi(selected-1);
         else