Night Owl Optics 4BL ユーザーズマニュアル

User’s Manual 

18 

To access the NETWORK SETUP menu, select Main Menu  NETWORK to open the 

NETWORK SETUP menu. 

 

If your DVR is connected to a router of your local network (intranet), then you can setup the 

NETWORK Setup section of the DVR to view the image your DVR is recording remotely 
using computers connected within your network. 

: You will not be able to access your DVR if your DVR is connected behind two 

or more routers. 

: Prior to changing the NETWORK Setup of your DVR, it is strongly recommended that 

you perform the following tasks: 

1.  Access the configuration page of your router. 
2.  Reserve an IP Address in your router that is not used by other computers or devices 

connected to your internal network. 

3.  Write down the assigned IP Address of your DVR, Subnet Mask, IP Address of your 

Router (Gateway) of your DVR for future reference when configuring the DVR. 

 

1.  Select STATIC as the network TYPE. 
2.  Setup Media Port and Web Port (recommended to 

leave these at the default values). 

3.  Enter the IP Address that you have reserved at the 

beginning of this section into this field to be the unique 
address of your DVR in your local network. 

4.  NETMASK: It is recommended to leave the Subnet 

mask as the default 255.255.255.0. 

5.  Set the GATEWAY to the IP Address of your router. 
6.  Enter the DNS (Domain Name Server) Address, Set 

this to you router's IP address. 

Leave the UPNP option at “Enable”.    Click “APPLY” to 
save your change.