Q. When doing a remote search after connecting DVR to Client,
     a picture doesn't show on the screen
A.  Pictures turn up only when the versions of DVR program and Client program are the same.

      When you change the network port from DVR, you should change the port in Client program likewise.
      Undo the prevention of firewall for DVR Mediaserver program.

      If you use an IP in an environment where DVR is installed,
      you should set up a port-forwarding function or DMZ at IP setting.
      Check the condition of media port(7077) when you use port-forwarding.