15Figure 3-3Tipsz Copy function: This function allows you to copy one channel setup to another. After setting in channel1, you can click paste button and turn to channel 2 and then click copy button. You can finish settingfor one channel and then click save button or you can finish all setup and then click save button tomemorize all the settings.3.3 System Setting-Network SetupHere is for you to input network information. See Figure 3-4.z IP address: Here you can input IP address. Please use the up/down button or input the correspondingnumber to change the IP address and then set the subnet mask and default gateway.z DHCP: It is auto search IP function. When enable DHCP function, you can not modify IP/Subnet mask/Gateway. These values are from DHCP function. If you have not enabled DHCP function, IP/Subnetmask/Gateway display as o. You need to disable DHCP function to view current IP information.Besides, when PPPoE is operating, you can not modify IP/Subnet mask /Gateway.z TCP port: Default value is 37777. You can change if necessary.z UDP port: Default value is 37778. You can change if necessary.z HTTP port: Default value is 80.z RTSP port: Default value is 554.z Max connection: system support maximal 20 users. 0 means there is no connection limit.z Preferred DNS server: DNS server IP address.z Alternate DNS server: DNS server alternate address.z Transfer mode: Here you can select the priority between fluency/video qualities.z LAN download: System can process the downloaded data first if you enable this function. Thedownload speed is 1.5X or 2.0X of the normal speed.After completing all the setups please click save button, system goes back to the previous menu.