Index: MsgDefs.h
===================================================================
diff -u -r6f646f1412544012e746bed4462e9ccc70b83dfa -r4d970ea829b77fc7adb9b3db621aaa45b5ab1ba7
--- MsgDefs.h	(.../MsgDefs.h)	(revision 6f646f1412544012e746bed4462e9ccc70b83dfa)
+++ MsgDefs.h	(.../MsgDefs.h)	(revision 4d970ea829b77fc7adb9b3db621aaa45b5ab1ba7)
@@ -327,6 +327,7 @@
     MSG_ID_HD_BLOCK_MESSAGE_TRANSMISSION = 0x8076,                      ///< HD prevent transmission of given message(s)
     MSG_ID_HD_SYRINGE_PUMP_FORCE_SENSOR_DAC_CALIBRATE = 0x8077,         ///< HD set syringe pump force sensor DAC calibration
     MSG_ID_HD_STOP_RTC_CLOCK = 0x8078,                                  ///< HD stop RTC clock
+    MSG_ID_HD_FANS_DUTY_CYCLE_OVERRIDE = 0x8079,                        ///< HD fans duty cycle override request
 
     MSG_ID_FIRST_DG_TESTER_MESSAGE = 0xA000,                            ///< First DG test message ID
     MSG_ID_DG_TESTER_LOGIN_REQUEST = MSG_ID_FIRST_DG_TESTER_MESSAGE,    ///< DG tester log-in
@@ -403,6 +404,7 @@
     MSG_ID_DG_GET_SW_CONFIG_RECORD = 0xA04A,                            ///< DG get software configuration record request
     MSG_ID_DG_SET_SW_CONFIG_RECORD = 0xA04B,                            ///< DG set software configuration record
     MSG_ID_DG_SEND_SW_CONFIG_RECORD = 0xA04C,                           ///< DG send software configuration record
+    MSG_ID_DG_FANS_DUTY_CYCLE_OVERRIDE = 0xA04D,                        ///< DG fans duty cycle override request
 
     MSG_ID_HD_DEBUG_EVENT = 0xFFF1,                                     ///< HD debug event text to be logged in event log
     MSG_ID_DG_DEBUG_EVENT = 0xFFF2,                                     ///< DG debug event text to be logged in event log