Index: firmware/App/Monitors/Pressures.c
===================================================================
diff -u -rb017f10001f67282ab6622e34d629ae2f884cdc9 -r30e46b4f07697652455fa861bcaa18f3d60ae11f
--- firmware/App/Monitors/Pressures.c	(.../Pressures.c)	(revision b017f10001f67282ab6622e34d629ae2f884cdc9)
+++ firmware/App/Monitors/Pressures.c	(.../Pressures.c)	(revision 30e46b4f07697652455fa861bcaa18f3d60ae11f)
@@ -496,10 +496,10 @@
     if ( PRESSURE_LIMITS_STATE_STABLE == currPresLimitsState )
     {
         // apply pressure windows when stable
-        S32 artOffset = getTreatmentParameterS32( TREATMENT_PARAM_ART_PRES_LIMIT_WINDOW ) / 2;
-        S32 venMinOffset = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_ASYMMETRIC );
-        S32 venMaxOffset = getTreatmentParameterS32( TREATMENT_PARAM_VEN_PRES_LIMIT_WINDOW ) - venMinOffset;
-        S32 tmpOffset =  getTreatmentParameterS32( TREATMENT_PARAM_TMP_PRES_LIMIT_WINDOW ) / 2;
+        S32 artOffset = (S32)getSysConfigTreatmentParameterU32( TREATMENT_PARAM_ART_PRES_LIMIT_WINDOW ) / 2;
+        S32 venMinOffset = (S32)getSysConfigTreatmentParameterU32( TREATMENT_PARAM_VEN_PRES_LIMIT_ASYMMETRIC );
+        S32 venMaxOffset = (S32)getSysConfigTreatmentParameterU32( TREATMENT_PARAM_VEN_PRES_LIMIT_WINDOW ) - venMinOffset;
+        S32 tmpOffset =  (S32)getSysConfigTreatmentParameterU32( TREATMENT_PARAM_TMP_PRES_LIMIT_WINDOW ) / 2;
 
         currentArterialMinLimit = stableArterialPressure - artOffset;
         currentArterialMinLimit = MAX( currentArterialMinLimit, ARTERIAL_PRESSURE_LIMIT_MIN_MMHG );