Index: dialin/common/msg_ids.py
===================================================================
diff -u -rc19568936f7925714a39b7951eae672ab91769a4 -r94a543f6b3f0d408b46637dbd831e98219755f47
--- dialin/common/msg_ids.py	(.../msg_ids.py)	(revision c19568936f7925714a39b7951eae672ab91769a4)
+++ dialin/common/msg_ids.py	(.../msg_ids.py)	(revision 94a543f6b3f0d408b46637dbd831e98219755f47)
@@ -177,6 +177,9 @@
     MSG_ID_HD_SET_STANDBY_DISINFECT_SUB_MODE_REQUEST = 0X9A
     MSG_ID_HD_SET_STANDBY_DISINFECT_SUB_MODE_RESPONSE = 0X9B
     MSG_ID_HD_DISINFECTS_UI_STATE_READINGS = 0X9C
+    MSG_ID___AVAILABLE_1 = 0x9D
+    MSG_ID_HD_UI_VERSION_INFO_REQUEST = 0x9E
+    MSG_ID_HD_UI_VERSION_INFO_RESPONSE = 0x9F
     MSG_ID_REQUEST_HD_USAGE_INFO = 0XA0
     MSG_ID_DG_SWITCHES_DATA = 0xA1
     MSG_ID_HD_SWITCHES_DATA = 0xA2
Index: dialin/hd/system_record.py
===================================================================
diff -u -r47eb368c929e01fbff7d7749a822ee0efb467ea5 -r94a543f6b3f0d408b46637dbd831e98219755f47
--- dialin/hd/system_record.py	(.../system_record.py)	(revision 47eb368c929e01fbff7d7749a822ee0efb467ea5)
+++ dialin/hd/system_record.py	(.../system_record.py)	(revision 94a543f6b3f0d408b46637dbd831e98219755f47)
@@ -56,7 +56,7 @@
         self._raw_system_record = []
         self._utilities = NVOpsUtils(logger=self.logger)
         # System main record
-        self.hd_system_record = self.prepare_hd_system_record()
+        self.hd_system_record = self._prepare_hd_system_record()
 
         if self.can_interface is not None:
             channel_id = DenaliChannels.hd_to_dialin_ch_id
@@ -186,7 +186,7 @@
         self.logger.debug("Finished sending HD system record.")
         return True
 
-    def prepare_hd_system_record(self):
+    def _prepare_hd_system_record(self):
         """
         Handles assembling the sub dictionaries of each group to make the main HD system record.