Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -r1978e8476dc44688ed69531c236c154829ab8a76 -r1c04924590760ca29e1c9fe19bca65ec5ce428fe
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 1978e8476dc44688ed69531c236c154829ab8a76)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 1c04924590760ca29e1c9fe19bca65ec5ce428fe)
@@ -8,7 +8,7 @@
 * @file    SystemCommMessages.c
 *
 * @author  (last)      Dara Navaei
-* @date    (last)      14-Jun-2022
+* @date    (last)      03-Aug-2022
 *
 * @author  (original)  Dara Navaei
 * @date    (original)  05-Nov-2019
@@ -2004,6 +2004,14 @@
 
 
 #ifdef EMC_TEST_BUILD
+/*********************************************************************//**
+ * @brief
+ * The broadcastCANErrorCount function handles the CAN error count
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
 BOOL broadcastCANErrorCount( U32 count )
 {
     BOOL result;
@@ -2220,7 +2228,7 @@
     memcpy( payloadPtr, &passed, sizeof( BOOL ) );
 
     // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
-    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_BROADCAST, ACK_NOT_REQUIRED ); // TODO - make ack required when UI ready
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_BROADCAST, ACK_REQUIRED );
 
     return result;
 }
@@ -2251,6 +2259,33 @@
 
 /*********************************************************************//**
  * @brief
+ * The sendUIRequestPOSTFinalResult function constructs a reqeust for UI POST
+ * final result message and queues the msg for transmit on the appropriate
+ * CAN channel.
+ * @details Inputs: none
+ * @details Outputs: request for UI POST final result msg constructed and queued.
+ * @return TRUE if msg successfully queued for transmit, FALSE if not
+ *************************************************************************/
+BOOL sendUIRequestPOSTFinalResult( void )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    // Create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_HD_REQUEST_UI_FINAL_POST_RESULT;
+    msg.hdr.payloadLen = 0;
+
+    // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_HD_2_UI, ACK_REQUIRED );
+
+    return result;
+
+}
+
+/*********************************************************************//**
+ * @brief
  * The handleUIPOSTFinalResult function handles a UI POST final result message.
  * @details Inputs: none
  * @details Outputs: UI POST final result delivered to InitPOST mode.
@@ -2265,8 +2300,7 @@
         BOOL passed;
 
         memcpy( &passed, payloadPtr, sizeof( BOOL ) );
-
-        // TODO - handle UI POST  final result
+        signalUIPOSTFinalResult( passed );
     }
     else
     {
@@ -3590,38 +3624,6 @@
 
 /*********************************************************************//**
  * @brief
- * The handleHDSetArterialPressureOffsetRequest function handles a request to
- * set the arterial pressure offset.
- * @details Inputs: none
- * @details Outputs: message handled
- * @param message a pointer to the message to handle
- * @return none
- *************************************************************************/
-void handleHDSetArterialPressureOffsetRequest( MESSAGE_T *message )
-{
-    TEST_OVERRIDE_PAYLOAD_T payload;
-    BOOL result = FALSE;
-
-    // Verify payload length
-    if ( sizeof(TEST_OVERRIDE_PAYLOAD_T) == message->hdr.payloadLen )
-    {
-        memcpy( &payload, message->payload, sizeof(TEST_OVERRIDE_PAYLOAD_T) );
-        if ( FALSE == payload.reset )
-        {
-            result = testSetArterialPressureOffsetOverride( payload.state.f32 );
-        }
-        else
-        {
-            result = testResetArterialPressureOffsetOverride();
-        }
-    }
-
-    // Respond to request
-    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
-}
-
-/*********************************************************************//**
- * @brief
  * The handleTestBloodPumpRotorMeasuredSpeedOverrideRequest function handles a request to
  * override the measured blood pump rotor speed (RPM).
  * @details Inputs: none
@@ -6401,9 +6403,8 @@
         {
             F32 dacVRef;
 
-            result = TRUE;
-            memcpy( &dacVRef, message->payload, sizeof( F32 ) );
-            setSyringePumpDACVref( dacVRef );
+            memcpy( &dacVRef, message->payload, sizeof( F32 ) );  // TODO - Payload no longer used.  Update Dialin command and expected payload len in f/w.
+            result = setSyringePumpDACVref();
         }
     }