67Upgrade the firmware [Upgrade]Click the [Upgrade] tab of the "Maintenance" page. ( page 15)The current firmware can be checked and upgraded to the latest version on this page. Contact the dealer for furtherinformation about the firmware upgrade.[Model No.], [MAC address], [Serial number],[Firmware version], [IPL version], [Installationfrequency of Viewer software]Information of each item will be displayed.How to upgrade the firmwareStep 1Contact the dealer and download the latest firmwareonto a PC.Important:A blank (space) cannot be used for the name of thedirectory where the downloaded firmware to besaved.Step 2Click the [Browse…] button and designate the down-loaded firmware.Step 3Click the radio button respective to the desired option todetermine whether or not to initialize the settings aftercompleting the firmware upgrade.Note:Read the "readme" file provided with the firmwarefirst and determine whether or not to initialize thesettings after the firmware upgrade.Step 4Click the [Upgrade] button.→ The confirmation window will be displayed. When"Do not default settings after completing theupgrade." is selected, the confirmation window willnot be displayed.After completing the upgrade, delete temporary inter-net files. ( page 77)Important:• Upgrade the firmware using a PC in the same sub-net as the camera.• Follow the instructions from the dealer when upgrad-ing the firmware.• Use the designated file (extension:img) for thefirmware upgrade.• The name of the firmware to be used for theupgrade should be "ns202_xxxxx.img". ("xxxxx" indi-cates the version of the firmware.)• Do not turn off the power of the camera during theupgrade process.• Do not operate the web browser (including adjustingthe window size) during the upgrade process.• The following network settings will not be initializedwhen upgrading the firmware after selecting "Resetsto default setting after completing the upgrade.(Except network settings)".ON/OFF for DHCP, IP address, net mask, defaultgateway, HTTP port, ON/OFF for DNS, AUTO/MAN-UAL for DNS, DNS primary and secondary address-es, line speed, total bit rate, time & date• The viewer software used on each PC should belicensed individually. Refer to your dealer for thesoftware licensing.