Index: firmware/App/Modes/FPModes/FPOperationModes.h
===================================================================
diff -u -rd18ed8a1064006f220e75096c723077dda62b500 -r940437fb1298c036eeffbbfc8db1d43195e04927
--- firmware/App/Modes/FPModes/FPOperationModes.h	(.../FPOperationModes.h)	(revision d18ed8a1064006f220e75096c723077dda62b500)
+++ firmware/App/Modes/FPModes/FPOperationModes.h	(.../FPOperationModes.h)	(revision 940437fb1298c036eeffbbfc8db1d43195e04927)
@@ -52,7 +52,7 @@
 // ********** public function prototypes **********
 
 void initFPOperationModes( void );                                    // Initialize this unit
-void execFPOperationModes( void );
+void execFPOperationModes( void );                                    // Execute the FP operation mode state machine (scheduled periodic call)
 
 void requestNewFPOperationMode( FP_OP_MODE_T newMode );               // Request a transition to a new operation mode
 FP_OP_MODE_T getCurrentFPOperationMode( void );                       // Get the current operation mode
@@ -69,6 +69,7 @@
 BOOL testSetFPOpModePublishIntervalOverride( MESSAGE_T *message );    // Set operation mode publish interval override
 BOOL testSetGeneratePermeateSignal( MESSAGE_T *message );             // Set start stop generate permeate.
 BOOL testGetFPDefeaturedStatus( MESSAGE_T *message );                 // Send a response message with FP defeatured status payload
+BOOL testSetFPOperationSubMode( MESSAGE_T *message );                 // Set operation sub mode override
 
 /**@}*/