Index: firmware/App/DDCommon.h
===================================================================
diff -u -rae3a2d3b6952e59cdf469d48e9f4c26574564eff -r8348015aa77e1ee2c4c20e9f8e2c45b59bcf3f17
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision ae3a2d3b6952e59cdf469d48e9f4c26574564eff)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 8348015aa77e1ee2c4c20e9f8e2c45b59bcf3f17)
@@ -62,7 +62,10 @@
 //Define to enable the DD too-many-bad-message-CRCs alarm.
 //#define __BAD_MSG_CRC_ALARM_ENABLED__    1
 
+//Uncomment below to enable the conductivity sensor alarms
+//#define ENABLE_ALARM_4
 
+
     #include <stdio.h>
     #include <strings.h>
 #endif