8It is recommended to operate this unit using a PC that meets the following system requirements.* Microsoft ® Internet Explorer® 6.0 SP2 is required when using Microsoft ® Windows ® XP Professional SP2 or Microsoft ® Windows ® XP HomeEdition SP2.• Adobe Reader is a trademark or registered trademark of Adobe Systems Incorporated in the USA and other countries.• Microsoft, Windows, Windows Vista, Internet Explorer, ActiveX and Direct X are trademarks or registered trademarks of Microsoft Corporationin the USA and other countries.• Intel and Pentium are trademarks or registered trademarks of Intel Corporation and its subsidiaries in the USA and other countries.• RSA is a registered trademark of RSA Security Inc. BSAFE is a registered trademark of RSA Security in the USA and other countries.• Other names of companies and products contained in these operating instructions may be trademarks or registered trademarks of theirrespective owners.As you will use this product connected to a network, your attention is called to the following security risks.1. Leakage or theft of information through this product2. Use of this product for illegal operations by persons with malicious intent3. Interference with or stoppage of this product by persons with malicious intentIt is your responsibility to take precautions such as those described below to protect yourself against the above network security risks.• Use this product in a network secured by a firewall, etc.• If this product is connected to a network that includes PCs, make sure that the system is not infected by computer viruses or other maliciousentities (using a regularly updated anti-virus program, anti-spyware program, etc.).• Protect your network against unauthorized access by restricting users to those who log in with an authorized user name and password.• Apply measures such as user authentication to protect your network against leakage or theft of information, including image data,authentication information (user names and passwords), alarm mail information, FTP server information and DDNS server information.System Requirements for a PC• OS : Microsoft ® Windows Vista ® Business (32-bit): Microsoft® Windows ® XP Professional SP2*: Microsoft® Windows ® XP Home Edition SP2 *• OS Language : English, French, Spanish, German, Italian, Russian, Chinese• CPU : Pentium ® 4 3.0 GHz or faster• Memory : 1 GB or more (512 MB or more is required when using Microsoft ® Windows® XP.)• Monitor : Resolution: 1 024 x 768 pixels or moreColor: 24-bit True color or better• Network interface : 10/100/1 000 Mbps Ethernet port x1• Web Browser : Windows ® Internet Explorer® 7.0: Microsoft® Internet Explorer® 6.0 SP2 *• Audio interface : Sound card (when using the audio function)• Other : CD-ROM drive: It is necessary to read the operating instructions and use the software on the providedCD-ROM.: DirectX ® 9.0c or later: Adobe® Reader ®: It is necessary to read the operating instructions on the provided CD-ROM.Important:• When using a PC that does not meet the above requirements, displaying of images may become slow or the web browser may becomeinoperable.• Audio may not be heard if a sound card is not installed on a PC. Audio may be interrupted depending on the network environment.• Refer to "Notes on Vista ®" (PDF) for further information about system requirements for a PC and precautions when using Microsoft ®Windows Vista ® .Trademarks and Registered TrademarksNetwork Security