Index: firmware/App/Modes/ModePreTreat.c
===================================================================
diff -u -r4b21b64477d62043a5e664c6a0aeec0ec16c1bd2 -r932fb39e6154626a60ac371b1bb0f6c783a28f1f
--- firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 4b21b64477d62043a5e664c6a0aeec0ec16c1bd2)
+++ firmware/App/Modes/ModePreTreat.c	(.../ModePreTreat.c)	(revision 932fb39e6154626a60ac371b1bb0f6c783a28f1f)
@@ -40,25 +40,20 @@
 // ********** private definitions **********
 
 /// Interval (ms/task time) at which the Pre-Treatment state data is published on the CAN bus.
-#define PRE_TREATMENT_STATE_DATA_PUB_INTERVAL    ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
+#define PRE_TREATMENT_STATE_DATA_PUB_INTERVAL          ( MS_PER_SECOND / TASK_GENERAL_INTERVAL )
 
+/// Initial offset used to stagger the Pre-Treatment state data broadcast.
+#define PRE_TREATMENT_STATE_DATA_PUB_INITIAL_OFFSET     5U
+
 // ********** private data **********
 
 static TD_PRE_TREATMENT_MODE_STATE_T currentPreTreatmentState;              ///< Current Pre-Treatment sub-state
 static BOOL goToInstallStateRequested;                                      ///< Flag indicating a request to transition to Install state.
 static BOOL continueFromRecirculateRequested;                               ///< Flag indicating a request to transition to Confirm Rx.
 static BOOL treatmentStartRequested;                                        ///< Flag indicating the UI requested treatment start.
 static U32 preTreatmentStateBroadcastTimerCtr;                              ///< Pre-Treatment state data broadcast timer counter.
+static OVERRIDE_U32_T preTreatmentStatePublishInterval;                     ///< Pre-Treatment state data publication interval override.
 
-/// Interval (in task intervals) at which to publish Pre-Treatment state data to the CAN bus.
-static OVERRIDE_U32_T preTreatmentStatePublishInterval =
-{
-    PRE_TREATMENT_STATE_DATA_PUB_INTERVAL,
-    PRE_TREATMENT_STATE_DATA_PUB_INTERVAL,
-    PRE_TREATMENT_STATE_DATA_PUB_INTERVAL,
-    0
-};
-
 // ********** private function prototypes **********
 
 static void setPreTreatStateTransition( void );                                 ///< Configure actuators and variables for Pre-Treatment state transitions.
@@ -86,7 +81,15 @@
     goToInstallStateRequested = FALSE;
     continueFromRecirculateRequested = FALSE;
     treatmentStartRequested = FALSE;
-    preTreatmentStateBroadcastTimerCtr = 5U;
+    preTreatmentStateBroadcastTimerCtr = PRE_TREATMENT_STATE_DATA_PUB_INITIAL_OFFSET;
+
+    preTreatmentStatePublishInterval = (OVERRIDE_U32_T)
+    {
+        PRE_TREATMENT_STATE_DATA_PUB_INTERVAL,
+        PRE_TREATMENT_STATE_DATA_PUB_INTERVAL,
+        PRE_TREATMENT_STATE_DATA_PUB_INTERVAL,
+        0
+    };
 }
 
 /*********************************************************************//**
@@ -557,10 +560,14 @@
  *************************************************************************/
 BOOL testPreTreatmentStatePublishIntervalOverride( MESSAGE_T *message )
 {
-    return u32BroadcastIntervalOverride(
+    BOOL result = FALSE;
+
+    result = u32BroadcastIntervalOverride(
         message,
         &preTreatmentStatePublishInterval,
         TASK_GENERAL_INTERVAL );
+
+    return result;
 }
 
 /**@}*/