Chapter 1 Preparation — Precautions for use20 - ENGLISHf Prevent hot and cool air from the air conditioning system to blow directly to the ventilation ports (intake and exhaust) of theprojector.100 mm (4") or longer500 mm (20") or longer 500 mm (20") or longer500 mm (20") or longerf Do not install the projector in a confined space.When installing the projector in a confined space, provide air conditioning or ventilation separately. Exhaust heat mayaccumulate when the ventilation is not enough, triggering the protection circuit of the projector.SecurityWhen using this product, take safety measures against the following incidents.f Personal information being leaked via this productf Unauthorized operation of this product by a malicious third partyf Interfering or stopping of this product by a malicious third partyTake sufficient security measures. (x pages 131, 153)f Make your password difficult to guess as much as possible.f Change your password periodically.f Panasonic Corporation or its affiliate companies will never ask for your password directly. Do not divulge your password incase you receive such inquiries.f The connecting network must be secured by a firewall, etc.f Set a password for the web control and restrict the users who can log in.DIGITAL LINK“DIGITAL LINK” is a technology that uses a twisted-pair-cable transmitter to transmit video, audio, Ethernet, and serial controlsignals.The projector supports the optional Digital Interface Box (Model No.: ET-YFB100G), and the “XTP transmitter” of ExtronElectronics. For twisted-pair-cable transmitters of other manufacturers of which the operation has been verified with theprojector, refer to the Panasonic website (http://panasonic.net/avc/projector/). Note that the verification for devices of othermanufacturers has been made for the items set by Panasonic Corporation, and not all the operations have been verified. Foroperation or performance problems caused by the devices of other manufacturers, contact the respective manufacturers. Inaddition, the projector does not support audio transmission because it is not equipped with audio function.Art-Net“Art-Net” is an Ethernet communication protocol based on the TCP/IP protocol.By using the DMX controller or application software, illumination and stage system can be controlled. Art-Net is made basedon DMX512 communication protocol.