18 - ENGLISHf Do not install the projector in a confined space.When placing the projector in a confined space, a ventilation and/or air conditioning system is required. Exhaust heat mayaccumulate when the ventilation is not enough, triggering the protection circuit of the projector.f Panasonic takes no responsibility for any damage to the product caused by an inappropriate choice of location for installingthe projector, even if the warranty period of the product has not expired.SecurityTake safety measures against following incidents.f Personal information being leaked via this product.f Unauthorized operation of this product by a malicious third party.f Interfering or stopping of this product by a malicious third party.Take sufficient security measures.f Make your password as difficult to guess as possible.f Change your password periodically. The password can be set in [Expand] menu → [Security] → [PIN code change].f Panasonic or its affiliate company never inquires a password directly to a customer. Do not tell your password in case youreceive such an inquiry.f The connecting network must be secured by firewall or others.f Set a password for web control and restrict the users who can log in. A password for the web control can be set in the[General Setup] page of the web control screen.Notef LAN function is not available for PT-LB305.rSecurity when using the wireless LAN product(Only for PT-LW375, PT-LW335, PT-LB425, PT-LB385 and PT-LB355)The advantage of a wireless LAN is that information can be exchanged between a computer or other such equipment and awireless access point using radio waves, instead of using a LAN cable, as long as you are within range for radio transmissions.On the other hand, because the radio wave can travel through an obstacle (such as a wall) and is accessible from anywherewithin a given range, following problems may occur if security setting is insufficient.f Transmitted data may be interceptedA malicious third party may intentionally intercept radio waves and monitor the following transmitted data.g Personal information such as your ID, password, credit card numberg Content of an Emailf Illegally accessedA malicious third party may access your personal or corporate network without authorization and engage in the followingtypes of behavior.g Retrieve personal and/or secret information (information leak)g Spread false information by impersonating a particular person (spoofing)g Overwrite intercepted communications and issue false data (tampering)g Spread harmful software such as a computer virus and crash your data and/or system (system crash)Since most wireless LAN adapters or access points are equipped with security features to take care of these problems, youcan reduce the possibility of these problems occurring when using this product by making the appropriate security settings forthe wireless LAN device.Some wireless LAN devices may not be set for security immediately after purchase. To decrease the possibility of occurrenceof security problems, be sure to make all security related settings according to the operation instructions supplied with eachwireless LAN device before using a wireless LAN device.Depending on the specifications of the wireless LAN, a malicious third party may be able to break security settings by specialmeans.Panasonic asks customers to thoroughly understand the risk of using this product without making security settings, andrecommends that the customers make security settings at their own discretion and responsibility.Notes on Using Wireless Connection(Only for PT-LW375, PT-LW335, PT-LB425, PT-LB385 and PT-LB355)Wireless connection function of the projector uses radio waves in the 2.4 GHz band.A radio station license is not required, but be sure to read and fully understand the following items before use.The wireless module (Model No.: ET-WML100) of optional accessories must be installed when you want to use the wirelessLAN function of this projector.rDo not use near other wireless equipment.The following equipment may use radio waves in the same band as the projector.When the projector is used near these devices, radio wave interference may make communication impossible, or theChapter 1 Preparation - Precautions for use