Index: /trunk/MagicSoft/Mars/datacenter/db/menu.php
===================================================================
--- /trunk/MagicSoft/Mars/datacenter/db/menu.php	(revision 8120)
+++ /trunk/MagicSoft/Mars/datacenter/db/menu.php	(revision 8121)
@@ -643,4 +643,7 @@
         $_GET["fMagicNumberName"]="Off";
 
+    if (empty($_GET["fObservationModeName"]))
+        $_GET["fObservationModeName"]="Off";
+
     if (empty($_GET["fMeanTriggerRate"]))
         $_GET["fMeanTriggerRate"]="Off";