Index: trunk/psModules/src/camera/pmFPAfileDefine.c
===================================================================
--- trunk/psModules/src/camera/pmFPAfileDefine.c	(revision 15629)
+++ trunk/psModules/src/camera/pmFPAfileDefine.c	(revision 15863)
@@ -966,4 +966,9 @@
         }
         file->detrend = results;
+	file->fileLevel = pmFPALevelFromName(results->level);
+	if (file->fileLevel == PM_FPA_LEVEL_NONE) {
+            psError (PS_ERR_IO, false, "invalid file level for selected detrend data");
+            return NULL;
+        }
     }