1. Rename the firmware to digcap.dav
2. Put the firmware under the same folder of this TFTP
3. Set the IP of computer as 192.0.0.128
4. Camera's IP can be anyone.
5. Run the tftpserv.exe
6. Power off and power on the DVR/DVS/IPC. The device will search the new firmware and upgrade it automatically. 
7. Please wait until TFTP shows "Device [192.0.0.64] system update completed!" It takes about 5 minutes.
8. Close the TFTP before the camera reboots.
9. DVR/DVS/IPC will restart automatically after upgrading.
