Index: trunk/Mars/fact/analysis/callisto.C
===================================================================
--- trunk/Mars/fact/analysis/callisto.C	(revision 18131)
+++ trunk/Mars/fact/analysis/callisto.C	(revision 18132)
@@ -1,5 +1,5 @@
 #include "MLogManip.h"
 
-int callisto(const char *seqfile="seq/2012/01/23/20120123_023.seq", const char *outpath = "output", bool use_delays=false)
+int callisto(const char *seqfile="seq/2012/01/23/20120123_023.seq", const char *outpath = "output", bool delays="resources/delays-20150217.txt")
 {
     // ======================================================
@@ -354,6 +354,12 @@
         return 11;
 
-    if (use_delays)
-        timecam.SetDelays(*evt1h.GetHist());
+    if (delays)
+    {
+        TGraph g(delays);
+        if (g.GetN()!=1440)
+            return 41;
+
+        timecam.SetDelays(g);
+    }
 
     // ======================================================