upgrade instructor

5） TFTP upgrade
For DVR with New version software
A、Type “mac” to see the mac address
Type “sip ip address of the PC” to set the TFTP server ip
Type “lip ip address of the DVR” to set the DVR ip
Type “save” to save
B、Restart the DVR ，press * to Enter the TFTP menu again
Type “run up” to begin upgrade