IMPORTANT• After completing the upgrade, delete temporary internet files. (®page 122)• Upgrade the firmware using a PC in the same subnet as the unit.• Follow the instructions from the dealer when upgrading the firmware.• When upgrading the application software, use the designated file (extension: img) for the firmwareupgrade.The name of the firmware to be used for the upgrade should be “model name (Use small letters.“WJ-” is not required.)_xxxxx.img”.* (“xxxxx” indicates the version of the firmware.)• Do not turn off the power of the unit during the upgrade process.• Do not perform any operation during upgrading and wait until it completes.• The following network settings will not be reset when upgrading the firmware after selecting “Reset thesettings to the default after completing the upgrade. (Except the network settings)”.On/Off for DHCP, IP address, subnet mask, default gateway, DNS, primary server address, secondaryserver address, HTTP port, HTTPS port, connection protocol (HTTP/HTTPS), CRT key, servercertificate, UPnP setting, line speed, bandwidth control (bit rate), time & date• The viewer software used on each PC should be licensed individually. Refer to your dealer for thesoftware licensing.15.3 Check the status [Status]Click the [Status] tab of the “Maintenance” page. (®page 21, page 23)The status of this unit can be checked on this page.[Viewnetcam.com]• Server: The URL of the “Viewnetcam.com” service server will be displayed.• Status: The registration status for the “Viewnetcam.com” will be displayed.• Personal(Unit) URL: The URL of the unit registered for “Viewnetcam.com” will be displayed.108 Operating Instructions15 Maintenance of the unit [Maintenance]