Index: SDDs/Heparin.puml
===================================================================
diff -u -r56a4a44268cda59e23ebdbfe2c599f028b4563af -r1edd5fe4e852a2b352a86587820a269a5103fc9f
--- SDDs/Heparin.puml	(.../Heparin.puml)	(revision 56a4a44268cda59e23ebdbfe2c599f028b4563af)
+++ SDDs/Heparin.puml	(.../Heparin.puml)	(revision 1edd5fe4e852a2b352a86587820a269a5103fc9f)
@@ -29,17 +29,17 @@
                     \n\t  - Heparin Delivery Data
     US -> UI: TCH: Press pause/ resume button
     UI -> SW: ACT: Heparin Request
-    SW -> TD: MSG: [xXX: #1]            \
+    SW -> TD: MSG: [x8A: #1]            \
                 \n\tRequest:            \
                 \n\t(U32) requestedState
-    TD -> SW: MSG: [xXX: #2]        \
+    TD -> SW: MSG: [x8B: #2]        \
                 \n\tResponse:       \
                 \n\t(U32)  mAccepted\
                 \n\t(U32)  mReason  
     SW -> UI: ACT: Heparin Response
     UI -> US: ACT: Notify user
     == Heparin Data ==
-    TD -> SW: MSG: [xXX: #3] \nTD Heparin Status Data\n(F32) mCumulative\n(F32) mTarget\n(U32) mTimeRemaining
+    TD -> SW: MSG: [x8C: #3] \nTD Heparin Status Data\n(F32) mCumulative\n(F32) mTarget\n(U32) mTimeRemaining
     SW -> UI: CMD: Update Heparin Data\n(F32) mCumulative\n(F32) mTarget\n(U32) mTimeRemaining
     UI -> US: ACT: Display updated Values