Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -ra4e044315bbfaaeff11cb9391485897458a48a5f -r128e1af0e088b01470d1d26949ccec5dfdcd55bc
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision a4e044315bbfaaeff11cb9391485897458a48a5f)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 128e1af0e088b01470d1d26949ccec5dfdcd55bc)
@@ -6365,14 +6365,11 @@
     BOOL result = FALSE;
 
     // Verify payload length
-    if ( sizeof( F32 ) == message->hdr.payloadLen )
+    if ( sizeof( 0 ) == message->hdr.payloadLen )
     {
         if ( TRUE == isTestingActivated() )
         {
-            F32 dacVRef;
-
-            memcpy( &dacVRef, message->payload, sizeof( F32 ) );  // TODO - Payload no longer used.  Update Dialin command and expected payload len in f/w.
-            result = setSyringePumpDACVref();
+           result = setSyringePumpDACVref();
         }
     }