Index: firmware/App/Controllers/Valves.h
===================================================================
diff -u -r8de3c971a08a5e2d822a6a1d1d1c477b6d4cbd5b -rbe1f6ba8f58abfe098865c85ebca070eb0dde6ce
--- firmware/App/Controllers/Valves.h	(.../Valves.h)	(revision 8de3c971a08a5e2d822a6a1d1d1c477b6d4cbd5b)
+++ firmware/App/Controllers/Valves.h	(.../Valves.h)	(revision be1f6ba8f58abfe098865c85ebca070eb0dde6ce)
@@ -40,7 +40,7 @@
     VALVE_POSITION_A_INSERT_EJECT,      ///< Position A, Insert/Eject
     VALVE_POSITION_B_OPEN,              ///< Position B, Open
     VALVE_POSITION_C_CLOSE,             ///< Position C, Close
-    VALVE_POSITION_D_VENOUS,            ///< Position D, Venous
+    VALVE_POSITION_D_PARTIAL_CLOSE,     ///< Position D, partial close
     NUM_OF_VALVE_POSITIONS,             ///< Number of valve positions
 } VALVE_POSITION_T;
 
@@ -56,6 +56,7 @@
     S16 posA;                          ///< Position A (count)
     S16 posB;                          ///< Position B (count)
     S16 posC;                          ///< Position C (count)
+    S16 posD;                          ///< Position D (count)
 } TD_VALVE_DATA_T;
 #pragma pack(pop)