Chapter 1 Preparation — Precautions for use20 - ENGLISHf Interfering or stopping of this product by a malicious third partyTake sufficient security measures.f Make your password difficult to guess as much as possible.f Change your password periodically. A password can be set in the [SECURITY] menu → [SECURITYPASSWORD CHANGE].f Panasonic Corporation or its affiliate companies will never ask for your password directly. Do not divulge yourpassword in case 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. A password for the web control can beset in the [Change password] page of the web control screen.DIGITAL LINK“DIGITAL LINK” is a technology to transmit the video, audio, Ethernet, and serial control signals using a twistedpair cable by adding unique functions by Panasonic to the HDBaseT TM communication standard formulated byHDBaseT Alliance.This projector supports the optional Panasonic DIGITAL LINK output supported device (Model No.: ET-YFB100G,ET-YFB200G) and peripheral devices by other manufacturers (twisted-pair-cable transmitters such as the“XTP transmitter” of Extron Electronics) that use the same HDBaseT TM standard. For the devices of othermanufacturers that the operation has been verified with this projector, visit the Panasonic website (http://panasonic.net/avc/projector/). Note that the verification for devices of other manufacturers has been made for theitems set by Panasonic Corporation, and not all the operations have been verified. For operation or performanceproblems caused by the devices of other manufacturers, contact the respective manufacturers.Art-Net“Art-Net” is an Ethernet communication protocol based on the TCP/IP protocol.By using the DMX controller and the application software, illumination and stage system can be controlled. Art-Netis made based on DMX512 communication protocol.Early Warning SoftwareThe projector supports “Early Warning Software”, which monitors the status of the display (projector or flat paneldisplay) and the peripheral devices inside an intranet, and notifies of abnormality of such equipment and detectssigns of possible abnormality. Also, maintenance can be performed in advance, because this software givesnotification of approximate time to replace consumables of the display, to clean each part of the display, and toreplace the components of the display.Depending on the type of license, the number of displays that can be registered for monitoring varies. Limited tothe first 90 days after installation in a computer, it is possible to register up to 2048 units of displays free of charge.Download the software from the Panasonic website (http://panasonic.net/avc/projector/pass/). It is necessary toregister and login to PASS*1 to download.*1 PASS: Panasonic Professional Display and Projector Technical Support WebsiteVisit the Panasonic website (http://panasonic.net/avc/projector/pass/) for details.DisposalTo dispose of the product, ask your local authorities or dealer for correct methods of disposal.Cautions on userTo get a good picture qualityIn order to view a beautiful image in higher contrast, prepare an appropriate environment. Draw curtains or blindsover windows and turn off any lights near the screen to prevent outside light or light from indoor lamps fromshining onto the screen.rDo 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.rDLP chipsf The DLP chips are precision-made. Note that in rare cases, pixels of high precision could be missing or alwayslit. Such a phenomenon does not indicate malfunction.