Step 2. Insert the thumb driver into MDVR (There is one USB port on the front of the MDVR device)
Step 3. Enter into MDVR GUISYSTEMUPGRADE, please choose FIREMWARE option, and then press OK to start to upgrade the firmware.
Note: The power for MDVR can not be cut off during the upgrading process as upgrading means that the MDVR system is refreshing the flash. If the power is cut off, the flash will be damaged and MDVR can not reboot up.
3) Check whether the shutdown delay function is configured. (MDVR GUI –> SYSTEM –> OPTIONS)