Index: HemodialysisDevice.py
===================================================================
diff -u -r680670f948d164932a6a68effa940bd8455e820e -rabcbb7082663067d1da4f252aa18a84e2630f1fe
--- HemodialysisDevice.py	(.../HemodialysisDevice.py)	(revision 680670f948d164932a6a68effa940bd8455e820e)
+++ HemodialysisDevice.py	(.../HemodialysisDevice.py)	(revision abcbb7082663067d1da4f252aa18a84e2630f1fe)
@@ -485,6 +485,41 @@
 
 
 
+    def BloodFlowBroadcastIntervalOverride(self, reset, ms):
+        """
+            sends the measured flow broadcast interval override command
+
+            \param reset:  integer - 1 to reset a previous override, 0 to override
+            \param ms:  integer - interval (in ms) to override with
+            \returns 1 if successful, zero otherwise
+        """
+
+        channel_id = 0x400
+        request_id = 0x800C
+
+        rst = self.__integer2ByteArray(reset)
+        cur = self.__integer2ByteArray(curr)
+        cargo = rst + cur
+
+        message = DialityPacket.buildPacket(request_id=request_id, cargo=cargo)
+
+        print("override blood flow broadcast interval")
+
+        # Send message
+        received_message = self.__can_interface.send(channel_id, message)
+
+        # If there is content...
+        if received_message is not None:
+            print(received_message)
+            print("Blood flow broadcast interval overridden to " + str(ms) + " ms: " + str(received_message[4]))
+            # 5th element is OK or not OK
+            return received_message[4]
+        else:
+            print("Timeout!!!!")
+            return False
+
+
+
     def __integer2ByteArray(self, val):
         fmt = '%08x'                    # integer to hex string formatter
         b = unhexlify(fmt % val)        # convert reset int to byte array
@@ -508,5 +543,12 @@
     sleep(2)
     thehd.login()
 
-    sleep(2)
-    thehd.OffButtonOverride(0,1)
+    sleep(5)
+    thehd.BloodFlowBroadcastIntervalOverride(0,2000)
+#    thehd.OffButtonOverride(0,1)
+
+    sleep(5)
+    thehd.BloodFlowBroadcastIntervalOverride(0,200)
+
+    sleep(5)
+    thehd.BloodFlowBroadcastIntervalOverride(1,0)