Index: firmware/App/Modes/ModeTreatmentParams.c
===================================================================
diff -u -r8466e63f95f65a3ffb18c3af85ac99328e41167b -rc137d3c7cb17b0364d745e10ff6dbd1901eb1baa
--- firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision 8466e63f95f65a3ffb18c3af85ac99328e41167b)
+++ firmware/App/Modes/ModeTreatmentParams.c	(.../ModeTreatmentParams.c)	(revision c137d3c7cb17b0364d745e10ff6dbd1901eb1baa)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2019-2021 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
 *
-* @file ModeTreatmentParams.c
+* @file    ModeTreatmentParams.c
 *
-* @author (last) Sean Nash
-* @date (last) 14-Oct-2020
+* @author  (last)      Sean Nash
+* @date    (last)      13-Aug-2021
 *
-* @author (original) Sean Nash
-* @date (original) 29-May-2020
+* @author  (original)  Sean Nash
+* @date    (original)  29-May-2020
 *
 ***************************************************************************/
 
@@ -64,10 +64,10 @@
     { CRITICAL_DATA_TYPE_U32, {.uInt=0},    {.uInt=4},    {.uInt=0}    }, // TREATMENT_PARAM_DIALYZER_TYPE
     { CRITICAL_DATA_TYPE_U32, {.uInt=0},    {.uInt=60},   {.uInt=30}   }, // TREATMENT_PARAM_BP_MEAS_INTERVAL
     { CRITICAL_DATA_TYPE_U32, {.uInt=50},   {.uInt=150},  {.uInt=75}   }, // TREATMENT_PARAM_RINSEBACK_FLOW_RATE
-    { CRITICAL_DATA_TYPE_S32, {.sInt=-300}, {.sInt=0},    {.sInt=-300} }, // TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT
-    { CRITICAL_DATA_TYPE_S32, {.sInt=-300}, {.sInt=0},    {.sInt=0}    }, // TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT
-    { CRITICAL_DATA_TYPE_S32, {.sInt=20},   {.sInt=600},  {.sInt=20}   }, // TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT
-    { CRITICAL_DATA_TYPE_S32, {.sInt=20},   {.sInt=600},  {.sInt=400}  }, // TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT
+    { CRITICAL_DATA_TYPE_S32, {.sInt=-300}, {.sInt=-30},  {.sInt=-300} }, // TREATMENT_PARAM_ART_PRESSURE_LOW_LIMIT
+    { CRITICAL_DATA_TYPE_S32, {.sInt=-270}, {.sInt=100},  {.sInt=100}  }, // TREATMENT_PARAM_ART_PRESSURE_HIGH_LIMIT
+    { CRITICAL_DATA_TYPE_S32, {.sInt=20},   {.sInt=570},  {.sInt=20}   }, // TREATMENT_PARAM_VEN_PRESSURE_LOW_LIMIT
+    { CRITICAL_DATA_TYPE_S32, {.sInt=50},   {.sInt=600},  {.sInt=400}  }, // TREATMENT_PARAM_VEN_PRESSURE_HIGH_LIMIT
     { CRITICAL_DATA_TYPE_F32, {.sFlt=0.0},  {.sFlt=1.0},  {.sFlt=0.0}  }, // TREATMENT_PARAM_HEPARIN_DISPENSE_RATE
     { CRITICAL_DATA_TYPE_F32, {.sFlt=0.0},  {.sFlt=2.0},  {.sFlt=0.0}  }, // TREATMENT_PARAM_HEPARIN_BOLUS_VOLUME
     { CRITICAL_DATA_TYPE_F32, {.sFlt=35.0}, {.sFlt=38.0}, {.sFlt=37.0} }, // TREATMENT_PARAM_DIALYSATE_TEMPERATURE
@@ -116,9 +116,9 @@
  * parameters mode.
  * @details Inputs: none
  * @details Outputs: Treatment Parameters mode reset prior to starting
- * @return none
+ * @return initial state
  *************************************************************************/
-void transitionToTreatParamsMode( void )
+U32 transitionToTreatParamsMode( void )
 {
     // Reset this mode
     initTreatParamsMode();
@@ -138,6 +138,8 @@
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RESUME, FALSE );
     setAlarmUserActionEnabled( ALARM_USER_ACTION_RINSEBACK, FALSE );
     setAlarmUserActionEnabled( ALARM_USER_ACTION_END_TREATMENT, FALSE );
+
+    return currentTreatmentParamsState;
 }
 
 /*********************************************************************//**