I have uploaded digicap.dav 5.1.6 (i think chinese version) -md5check f9b9d55c5ad22a7551d1a53cf5b654ac.
I try to patch with hack explained here: http://www.ipcamtalk.com/showthread.php?162-How-to-hack-5-1-2-firmware-on-China-region-cameras-to-English
1) enable telnet
2) login
3) export...