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# Operation

Symptom | Cause and Measure
--- | ---
Cannot turn the power on. | Is the power cable connected to the outlet properly?
Cannot perform operation from an ROP connected with an IP connection. | Is the power on? If the [POWER] lamp of this unit is off, the power of this unit is not turned on.
Is a valid IP address set on the unit?
Is the unit you want to operate selected correctly?
Is the ROP connected correctly? Also refer to the operating instructions for the ROP.
The version of the ROP may need to be upgraded to enable support for the unit. Consult your dealer.
Cannot access from a web browser | Did you use a LAN cable of category 5 or higher for connecting to the [LAN] connector?
Is the [LINK] LED of the [LAN] connector lit? If it is not lit, the unit is not connected to the LAN properly or the network of the connection destination is not operating properly. Check the LAN cable for a bad electrical contact and make sure the connections are correct.
Is the power on? If the [POWER] lamp of this unit is off, the power of this unit is not turned on.
Is a valid IP address set on the unit?
Is the wrong IP address being accessed? (Windows) Using the Windows command prompt, execute > ping [IP address which has been set in this unit] A reply returned from the unit signifies that there are no problems in operation. If a reply is not received, reboot the unit, and within 20 minutes change the IP address using the Easy IP Setup Software.
Is the wrong IP address being accessed? (Mac) Using the OS X terminal, execute > ping -c 10 [IP address which has been set in this unit] A reply returned from the unit signifies that there are no problems in operation. If a reply is not received, reboot the unit, and within 20 minutes change the IP address using the Easy IP Setup Software.
Has 554 been set as the HTTP port number? For the HTTP port number, use a port number other than the following port numbers that are used by the unit. 20, 21, 23, 25, 42, 53, 67, 68, 69, 110, 123, 161, 162, 554, 995, 10669, 10670, 59000 to 59999, 60000 to 61000
Is the set IP address the same as that of another device? Check out the IP addresses of the unit, access devices (personal computer, controller, etc.) and any other cameras.
Does the subnet mask setting match the network subnet of the connection destination? Check out the subnet mask settings of the unit and access devices, and then consult with the network administrator.
Is the Web browser set to “Use a proxy server”? (When the unit and the personal computer are connected to the same subnet) If a proxy server has been set using the [proxy setting] of the web browser, it is recommended that a “Don’t use proxy” address be selected as the unit’s IP address setting.
Has the wrong default gateway been set for the unit? (When the unit and personal computer are connected to different subnets) Check out the default gateway that has been set for the unit, and then consult with the network administrator.
The setting values of the [Setup] screen are not updated properly or are not displayed. | Press the [F5] key on the personal computer keyboard to request the setting values to be obtained. (Windows)
Press the [Command] + [R] key on the personal computer keyboard to request the setting values to be obtained. (Mac)
Delete the temporary Internet files as described below. (Mac) 1.Select [Safari] - [Empty Cache] in Safari. 2.Click the [Delete] button under [Browsing history].
Delete the temporary Internet files as described below. (Windows) 1.Select [Tools] - [Internet Options] in Internet Explorer. 2.Click [Empty] in the [Are you sure you want to empty the cache?] pop-up screen.
If [Check for newer versions of stored pages] is not set to [Every time I visit the webpage] in the temporary Internet file settings, the Web settings screen may not be displayed properly. (Windows) Perform the procedure below. 1.Select [Tools] - [Internet Options] in Internet Explorer. 2.Click the [General] tab, and click the [Settings] button under [Browsing history]. 3.In the [Temporary Internet Files and History Settings] dialog box, select the [Every time I visit the webpage] option under [Check for newer versions of stored pages]. 4.Click the [OK] button.
A port of the unit may be being filtered by, for example, the firewall function of the antivirus software. Change the HTTP port number of the unit to a port number that is not filtered.
It is not possible to download the setting files | Has the file download function been disabled? (Windows) Perform the procedure below. 1.Select [Tools] - [Internet Options] in Internet Explorer. 2.Click the [Security] tab, and click the [Custom level] button under [Security level for this zone]. 3.In the [Security Settings] dialog box, select the [Enable] option for [File download]. 4.Select the [Enable] option for [Automatic prompting for the file downloads]. (for Internet Explorer 8 only) 5.Click the [OK] button. 6.Click the [OK] button.
The authentication screen appears repeatedly | Has the user name or password been changed? If you change the user name and password of the user currently logged in from a separate web browser while the unit is being accessed, the authentication screen appears each time the screen display is changed. Close the web browser, and initiate access to the unit again.
Has the method for user authentication been changed? If you change the [User auth.] - [Authentication] setting, close the web browser and initiate access again.
Screens displays take a while to appear | Is the unit on the same local network being accessed via proxy? Configure the web browser settings so that access is not performed via proxy.
Are multiple users accessing the unit's IP images at the same time? When multiple users access the unit's IP images at the same time, images may take some time to appear, and the frame rate of the IP images may decrease.

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