Index: leahi_dialin/ui/td_messaging.py
===================================================================
diff -u -r36636063d8db4e2792ee5002ae2f92e2b41c4bcd -r4e55e6d9f6f0be9c7bd903159b7784ea0562fcd9
--- leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision 36636063d8db4e2792ee5002ae2f92e2b41c4bcd)
+++ leahi_dialin/ui/td_messaging.py	(.../td_messaging.py)	(revision 4e55e6d9f6f0be9c7bd903159b7784ea0562fcd9)
@@ -2001,6 +2001,7 @@
                                             payload=payload)
         self.can_interface.send(message, 0)
 
+
     def td_tx_state(self, 
                     sub_mode                : int,
                     blood_prime_state       : int,
@@ -2047,6 +2048,46 @@
         self.can_interface.send(message, 0)
    
 
+    def td_pre_tx_state(self, 
+                    sub_mode                : int,
+                    install_state           : int,
+                    self_test_dry_state     : int,
+                    prime_state             : int,
+                    recirculate_state       : int,
+                    confirm_rx_state        : int,
+                    heparin_setup_state     : int,
+                    patient_connection_state: int) -> None:
+        """A general method to send any standard response message, by it's id and list of parameters. (Msg ID: 0xB7, 60)
+        Args:
+            sub_mode              (int): Treatment Submode
+            install_state            (int): Pre-Treatment install_state           
+            self_test_dry_state      (int): Pre-Treatment self_test_dry_state     
+            prime_state              (int): Pre-Treatment prime_state             
+            recirculate_state        (int): Pre-Treatment recirculate_state       
+            confirm_rx_state         (int): Pre-Treatment confirm_rx_state        
+            heparin_setup_state      (int): Pre-Treatment heparin_setup_state     
+            patient_connection_state (int): Pre-Treatment patient_connection_state
+        """
+        if not self.can_enabled:
+            raise ValueError("CAN Interface is not enabled")
+
+        payload =  conversions.unsigned_integer_to_bytearray(sub_mode                   )
+        payload += conversions.unsigned_integer_to_bytearray(install_state              )
+        payload += conversions.unsigned_integer_to_bytearray(self_test_dry_state        )
+        payload += conversions.unsigned_integer_to_bytearray(prime_state                )
+        payload += conversions.unsigned_integer_to_bytearray(recirculate_state          )
+        payload += conversions.unsigned_integer_to_bytearray(confirm_rx_state           )
+        payload += conversions.unsigned_integer_to_bytearray(heparin_setup_state        )
+        payload += conversions.unsigned_integer_to_bytearray(patient_connection_state   )
+
+        message = CAN.CanMessage.build_message(
+                                            channel_id=CAN.CanChannels.td_sync_broadcast_ch_id,
+                                            message_id=msg_ids.MsgIds.MSG_ID_TD_PRE_TREATMENT_STATE_DATA.value,
+                                            payload=payload)
+
+        self.can_interface.send(message, 0)
+   
+
     def td_treatment_log_alarm(self, alarm_id: int, parameter1: float, parameter2: float) -> None:
         """
         send the treatment log data