Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -refead43ba16292aa173f72ebfa2b73aebfd2a587 -r92f32196d272e32f9480e82dd09a038bb68753bc
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision efead43ba16292aa173f72ebfa2b73aebfd2a587)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 92f32196d272e32f9480e82dd09a038bb68753bc)
@@ -96,7 +96,11 @@
 
 // ********** private data **********
 
+#ifndef CARTRIDGE_TEST_BUILD
 static BOOL testerLoggedIn = FALSE;                         ///< Flag indicates whether an external tester (connected PC) has sent a valid login message.
+#else
+static BOOL testerLoggedIn = TRUE;                          ///< Flag indicates whether an external tester (connected PC) has sent a valid login message.
+#endif
 static volatile U16 nextSeqNo = 1;                          ///< Value of sequence number to use for next transmitted message.
 
 /// List of message IDs that are requested not to be transmitted.