73[Host auth.]Select "On" or "Off" to determine whether or not toauthenticate the host.Default: Off[IP address]Enter the IP address of the PC to be allowed to accessthe camera. Host name cannot be entered for the IPaddress.Note:• When "IP address/subnet mask" is entered, it ispossible to restrict PCs in each subnet.For example, when "192.168.0.1/24" is entered and"2. Camera control" is selected for the access level,the PCs whose IP address is between "192.168.0.0"- "192.168.0.255" can access the camera with theaccess level "2. Camera control".• When the IP address already in use is entered andthe [Set] button is clicked, the respective host infor-mation will be overwritten.[Access level]Select the access level of the host from the following.1. Administrator/2. Camera control/3. Live onlyRefer to page 72 for further information about theaccess level.Default: 3. Live only[Host check]By clicking [C] of "Host check", the registered host canbe selected and the selected host’s IP address can bechecked.The registered IP address will be displayed with theaccess level. (Example:192.168.0.21 [1])To delete the registered host, click the [Delete] buttonafter selecting the IP address to be deleted.Configure the settings relating to the host authentication [Host auth.]Click the [Host auth.] tab on the "User mng." page. (☞ Pages 22 and 23: How to display/operate the setup menu)The restriction settings of PCs (IP address) from accessing the camera can be configured on this page.