Mace DVR0404RW - Manual (Page 69)

!
69
2. Serial port upgrading operation
After connecting with the above operations, please continue with the below operation:
Press any key to enter login interface as following:
Username - admin
Enter username and press Enter. Enter the password as follows:
Password - dahua
System enters into DEBUG state, and input BIOS. Press Enter.
Click Communication in the menu Field——Send file, and open upgrading program file
(DVR0804_NTSC.BIN—8 Channel DVR BIOS program, please complete this operation within 20 seconds,
otherwise a Time out occurs). System begins to upgrade automatically and after the upgrading is completed, a
system reboot will occur.