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7. PT-LB90NT の取扱説明書・マニュアル

PT-LB90NTの取扱説明書・マニュアル [全68ページ 8.58MB]

Precautions with regard to safetyImportant InformationENGLISH - 9Cautions on useIn order to get the picture quality „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.Depending on where the projector is used, air exhaust vents or the warm air from air conditioning can cause a shimmering effect on the screen. For this reason, take care not to shield the air exhaust vents and con -sider the direction of the air lowing from air condition -ing.Do not touch the surface of the „projector lens cover with your bare hand.If the surface of the lens becomes dirty from inger-prints or anything else, this will be magniied and projected onto the screen.Do not move the projector while it „is operating or subject it to vibra -tion or impact.The service life of its internal components will be shortened.The projector has a high pressure „mercury lamp that is characterized as follows:The brightness of the lamp will decrease over time. zThe lamp may explode or shorten the lamp life by zshocks or chipping damage.In rare cases, it may burst shortly after the irst use. zThe possibility of its bursting increases when the zlamp is used beyond the replacement time.If the lamp bursts, gas inside the lamp is released zin the form of smoke.The life of a mercury lamp varies according to the zindividual difference or conditions of use.In particular, turning the power on and off frequently zand/or repeatedly as well as continuous use for 10 hours will greatly affect the life cycle. Provide a lamp for replacement in advance.Connection to external device „When connecting the projector to a computer or external device, use the power cord supplied with the corresponding device and a commercially available shielded interface cable.Optical components „It may be necessary to replace the optical compo -nents such as Liquid crystal panels and Polarizing plates in less than 1 year if using the projector in a high temperature environment or in a very dusty, oily smoke or tobacco smoke environment. For more details, please contact your dealer.Liquid crystal panel „The Liquid crystal panels are precision-made. Note that in rare cases, pixels of high precision could be missing or always lit, but this is not a malfunction.Do not project the same image for long periods of time, as this may remain as an afterimage on the liq -uid crystal panel. Display the white screen test pattern for more than an hour to remove it. See “TEST PAT -TERN” on page 42.SecurityTake safety measures against fol - „lowing incidents.Personal information being leaked via this product. zUnauthorized operation of this product by a mali - zcious third party.Interfering or stopping of this product by a malicious zthird party.Security instruction „The connecting network must be secured by ire - zwall or others.Change your password regularly. zDo not use a password that is simple to guess. zPanasonic and its afiliate companies would never zdirectly inquire about your password.Do not share your password with the general pub - zlic.Set a password, and place restrictions on the users zwho can log in.Cleaning and maintenanceAsk an Authorized Service Center „to clean the inside of the projec -tor at least once a year.If dust is left to build up inside the projector without being cleaned out, it can result in ire or problems with operation. It is a good idea to clean the inside of the projector before the season when humid weather ar -rives.Ask your nearest Authorized Service Center to clean the projector when required.Please discuss with the Authorized Service Center regarding cleaning costs.DisposalWhen discarding this product, please contact your lo -cal authorities or dealer and ask for the correct meth -od of disposal.

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