Precautions for use18 - ENGLISHImportantInformationPP RUPRUH PP RUPRUH PP RUPRUHPP RUPRUH▶z Do not install the projector in a confined space.When it is necessary to install the projector in a confined space, install the air conditioning or ventilationseparately. Exhaust heat may accumulate when the ventilation is not enough, triggering the protectioncircuit of the projector.SecurityWhen using this product, take safety measures against the following incidents.▶z Personal information being leaked via this product▶z Unauthorized operation of this product by a malicious third party▶z Interfering or stopping of this product by a malicious third partyTake sufficient security measures. ( pages 121, 140)▶z Make your password difficult to guess as much as possible.▶z Change your password periodically.▶z Panasonic Corporation or its affiliate companies will never ask for your password directly. Do not divulgeyour password in case you receive such inquiries.▶z The connecting network must be secured by a firewall, etc.▶z Set a password for the web control and restrict the users who can log in.DisposalTo dispose of the product, ask your local authorities or dealer for correct methods of disposal.The lamp contains mercury. When disposing of used lamp units, contact your local authorities or dealer for correctmethods of disposal.Cautions on use■ To get a good picture qualityIn order to view a beautiful image in higher contrast, prepare an appropriate environment. Draw curtains orblinds over windows and turn off any lights near the screen to prevent outside light or light from indoor lampsfrom shining onto the screen.■ Do not touch the surface of the projection lens with your bare hands.If the surface of the projection lens becomes dirty from fingerprints or anything else, this will be magnified andprojected onto the screen. Please put the lens cover (accessory) on the projector when you do not use it.■ DLP chips▶z The DLP chips are precision-made. Note that in rare cases, pixels of high precision could be missing oralways lit. This is not a malfunction.▶z Directing a high-power laser beam onto the lens surface can damage the DLP chips.■ Do not move the projector while it is operating or subject it to vibration orimpact.Doing so may shorten the service life of its internal components.■ LampThe luminous source of the projector is a high-pressure mercury lamp.A high-pressure mercury lamp has the following characteristics.