Ricoh PJ WX4152N Operating Instructions - Page 66
Precautions for Using a Wireless LAN, Leak of Personal Information, Illegal Access to the Network
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5. Using the Projector via a Network 1. Insert the Ethernet cable into the Ethernet interface. CZE122 2. Connect the other end of the Ethernet cable to a network device such as a hub. • The use of a shielded LAN cable is recommended. Precautions for Using a Wireless LAN • Do not use a wireless LAN if there is electromagnetic interference from other equipment. Doing so may cause an accident due to the other equipment malfunctioning from the electromagnetic interference. Wireless uses radio waves to exchange information instead of an Ethernet cable. The wireless LAN radio waves pass through barriers such as walls within a fixed area, so the following problems may occur: Leak of Personal Information • Information such as IDs, passwords, credit card numbers, and the contents of e-mails, etc., may be stolen by a third party. Illegal Access to the Network • Data and systems may be corrupted or manipulated by a virus. • An imposter may access information illegally. • Confidential information may be accessed illegally. To minimize the possibility of these problems occurring, it is recommended to check the functions built into the wireless LAN devices, such as the projector and wireless LAN access points, and to specify security settings. • (mainly Europe and Asia) 64