under the playing condition, you can handle the DVR with the keyboard, following is the shortcuts key manual:

PTZ:
key [e] 	for up
key [x] 	for down
key [s] 	for left
key [f] 	for right
key [space]	for fullscreen


setup the blackberry apn:
1.open the "Options -> Advanced Options -> TCP/IP"
2.select the "APN Settings Enabled"
3.APN: (intput the APN according to your network provider)
4.select the "APN Authentication Enabled"
5.Username for APN: (input this according your network provider)
6.Password for APN: (input this according your network provider)