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Chapter 1 Preparation — Precautions for use
18 - ENGLISH
f Change your password periodically.
f Panasonic Corporation or its afliate companies will never ask for your password directly. Do not divulge your password in
case you receive such inquiries.
f The connecting network must be secured by a rewall, 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 to transmit video, audio, Ethernet, and serial control signals.
The projector supports the optional digital interface box (Model No.: ET-YFB100G), and the “XTP transmitter” of Extron
Electronics. For twisted-pair-cable transmitter of other manufacturers of which the operation has been veried with the
DIGITAL LINK compatible projector, refer to Panasonic website (http://panasonic.net/avc/projector/). Note that the verication
for devices of other manufacturers has been made for the items set by Panasonic Corporation, and not all the operations have
been veried. For operation or performance problems caused by the devices of other manufacturers, contact the respective
manufacturers.
Disposal
To dispose of the product, ask your local authorities or dealer for correct methods of disposal.
Cautions on use
rTo get a good picture quality
f In order to view a beautiful image in higher contrast, prepare an appropriate environment. Draw curtains or blinds over
windows and turn off any lights near the screen to prevent outside light or light from indoor lamps from shining onto the
screen.
f The high clarity projection lens is thermally affected by the light from the light source, making the focus unstable in the period
just after switching on the power. The focus stabilizes when an image is projected continuously for 30 minutes or more.
rDo not touch the surface of the projection lens with your bare hands.
If the surface of the projection lens becomes dirty from ngerprints or anything else, this will be magnied and projected onto
the screen.
rDLP chips
f The DLP chips are precision-made. Note that in rare cases, pixels of high precision could be missing or always lit. Note that
such phenomena does not indicate malfunction.
f Directing a high-power laser beam onto the lens surface can damage the DLP chips.
rLight source
The light source of the projector uses LED and lasers, and has the following characteristics.
f The luminance of the light source will decrease by duration of usage.
The usage time until when the luminance of the light source decreases by half is approximately 20 000 hours. 20 000 hours
is the estimated duration, and it varies depending on individual differences and usage conditions.
If the light source goes off or the brightness reduces noticeably, ask your dealer about replacement of the light source unit.
rComputer and external device connections
f When connecting a computer or an external device, use power cords and shielded cables following instructions in this
manual.
f When inputting digital signals to the DVI-I terminal, use a commercially available cable with a ferrite core.
rViewing 3D images
The projector can display 3D image signals that are input through various systems such as “frame packing” and “side by side”.
You need to prepare external devices for viewing 3D images (such as 3D eyewear, video signal output devices) which are
compatible with your 3D system. For connections of the projector and external devices, see the instruction manuals of external
devices you use. Connections vary depending on your 3D system.
Refer to “List of 3D compatible signals” (x page 132) for the types of 3D video signals that can be used with the projector.