Index: dialin/hd/alarms.py
===================================================================
diff -u -rbcb19706315a5fd56fc38375379415255391fbac -r1454a1ae9ab6d66750269d471048ffe52c5786de
--- dialin/hd/alarms.py	(.../alarms.py)	(revision bcb19706315a5fd56fc38375379415255391fbac)
+++ dialin/hd/alarms.py	(.../alarms.py)	(revision 1454a1ae9ab6d66750269d471048ffe52c5786de)
@@ -193,6 +193,11 @@
             message['message'][self.START_POS_ALARMS_FLAGS:self.END_POS_ALARMS_FLAGS]),
             byteorder=DenaliMessage.BYTE_ORDER)
 
+        # if no active alarms from HD, set all alarms (on Dialin side) to False in case we got out of sync
+        if self.alarm_top == 0:
+            for x in range(500):
+                self.alarm_states[x] = False
+
     @_publish(["alarm_states"])
     def _handler_alarm_activate(self, message):
         """
Index: dialin/hd/blood_flow.py
===================================================================
diff -u -r0b0c4e54daebd92984808ca943981cccf26bb318 -r1454a1ae9ab6d66750269d471048ffe52c5786de
--- dialin/hd/blood_flow.py	(.../blood_flow.py)	(revision 0b0c4e54daebd92984808ca943981cccf26bb318)
+++ dialin/hd/blood_flow.py	(.../blood_flow.py)	(revision 1454a1ae9ab6d66750269d471048ffe52c5786de)
@@ -166,7 +166,7 @@
 
         @param flow:  integer - flow set point (in mL/min) to override with (negative for reverse direction)
         @param mode:  integer - 0 for closed loop control mode or 1 for open loop control mode
-        @param reset:  integer - 1 to reset a previous override, 0 to override
+        @param reset:  integer - N/A
         @return: 1 if successful, zero otherwise
         """
 
Index: dialin/hd/dialysate_inlet_flow.py
===================================================================
diff -u -r3690e7c9ba3ccd5fe699a1000cacf7241cd82f68 -r1454a1ae9ab6d66750269d471048ffe52c5786de
--- dialin/hd/dialysate_inlet_flow.py	(.../dialysate_inlet_flow.py)	(revision 3690e7c9ba3ccd5fe699a1000cacf7241cd82f68)
+++ dialin/hd/dialysate_inlet_flow.py	(.../dialysate_inlet_flow.py)	(revision 1454a1ae9ab6d66750269d471048ffe52c5786de)
@@ -173,7 +173,7 @@
 
         @param flow:  integer - flow set point (in mL/min) to override with
         @param mode:  integer - 0 for closed loop control mode or 1 for open loop control mode
-        @param reset:  integer - 1 to reset a previous override, 0 to override
+        @param reset:  integer - N/A
         @return: 1 if successful, zero otherwise
         """
 
Index: dialin/hd/dialysate_outlet_flow.py
===================================================================
diff -u -r3690e7c9ba3ccd5fe699a1000cacf7241cd82f68 -r1454a1ae9ab6d66750269d471048ffe52c5786de
--- dialin/hd/dialysate_outlet_flow.py	(.../dialysate_outlet_flow.py)	(revision 3690e7c9ba3ccd5fe699a1000cacf7241cd82f68)
+++ dialin/hd/dialysate_outlet_flow.py	(.../dialysate_outlet_flow.py)	(revision 1454a1ae9ab6d66750269d471048ffe52c5786de)
@@ -156,7 +156,7 @@
 
         @param flow:  integer - flow set point (in mL/min) to override with
         @param mode:  integer - 0 for closed loop control mode or 1 for open loop control mode
-        @param reset:  integer - 1 to reset a previous override, 0 to override
+        @param reset:  integer - N/A
         @return: 1 if successful, zero otherwise
         """
 
Index: dialin/hd/hemodialysis_device.py
===================================================================
diff -u -r527decd42c3e6730a33ff6b7635787d13f9400e5 -r1454a1ae9ab6d66750269d471048ffe52c5786de
--- dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision 527decd42c3e6730a33ff6b7635787d13f9400e5)
+++ dialin/hd/hemodialysis_device.py	(.../hemodialysis_device.py)	(revision 1454a1ae9ab6d66750269d471048ffe52c5786de)
@@ -87,10 +87,21 @@
             msg_id = MsgIds.MSG_ID_HD_OP_MODE.value
             self.can_interface.register_receiving_publication_function(channel_id, msg_id,
                                                                        self._handler_hd_op_mode_sync)
+            msg_id = MsgIds.MSG_ID_HD_CALIBRATION_DATA.value
+            self.can_interface.register_receiving_publication_function(channel_id, msg_id,
+                                                                       self._handler_hd_cal_data_sync)
 
         # create properties
         self.hd_operation_mode = self.HD_OP_MODE_INIT_POST
         self.hd_operation_sub_mode = 0
+        self.hd_calibration_data = {"Revision":0,
+                                    "AccelXOffset":0.0,
+                                    "AccelYOffset":0.0,
+                                    "AccelZOffset":0.0,
+                                    "BloodFlowGain":0.0,
+                                    "BloodFlowOffset":0.0,
+                                    "DialysateFlowGain":0.0,
+                                    "DialysateFlowOffset":0.0}
 
         # Create command groups
         self.accel = HDAccelerometer(self.can_interface, self.logger)
@@ -115,6 +126,42 @@
         """
         return self.hd_operation_mode
 
+    @_publish(["hd_calibration_data"])
+    def _handler_hd_cal_data_sync(self, message):
+        """
+        Handles published HD calibration data messages.  Current HD calibration data
+        is captured for reference.  Call cmd_request_hd_calibration_data() method
+        to request HD to publish HD calibration data.
+
+        @param message:  published HD calibration data broadcast message
+        @return: None
+        """
+        rev = struct.unpack('i', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_1:MsgFldPositions.END_POS_FIELD_1]))
+        acc_x = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_2:MsgFldPositions.END_POS_FIELD_2]))
+        acc_y = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_3:MsgFldPositions.END_POS_FIELD_3]))
+        acc_z = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_4:MsgFldPositions.END_POS_FIELD_4]))
+        bf_g = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_5:MsgFldPositions.END_POS_FIELD_5]))
+        bf_o = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_6:MsgFldPositions.END_POS_FIELD_6]))
+        df_g = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_7:MsgFldPositions.END_POS_FIELD_7]))
+        df_o = struct.unpack('f', bytearray(
+            message['message'][MsgFldPositions.START_POS_FIELD_8:MsgFldPositions.END_POS_FIELD_8]))
+
+        self.hd_calibration_data["Revision"] = rev[0]
+        self.hd_calibration_data["AccelXOffset"] = acc_x[0]
+        self.hd_calibration_data["AccelYOffset"] = acc_y[0]
+        self.hd_calibration_data["AccelZOffset"] = acc_z[0]
+        self.hd_calibration_data["BloodFlowGain"] = bf_g[0]
+        self.hd_calibration_data["BloodFlowOffset"] = bf_o[0]
+        self.hd_calibration_data["DialysateFlowGain"] = df_g[0]
+        self.hd_calibration_data["DialysateFlowOffset"] = df_o[0]
+
     @_publish(["hd_operation_mode"])
     def _handler_hd_op_mode_sync(self, message):
         """