Panasonic PT-LB3U Operating Instructions Manual

Also see for PT-LB1U: Operating instructions Operating instructions Operating instructions

Panasonic PT-LB3U Operating Instructions Manual Manual pdf 8 page image

Essential information8  ENGLISHPrecautions with regard to safety (continued)CAUTIONS ON USEIN ORDER TO GET THE PICTURE QUALITYDraw curtains or blinds over windows and turn off anylights near the screen to prevent outside light or lightfrom indoor lamps from shining onto the screen.Depending on where the projector is used, air exhaustvents or the warm air from air conditioning can cause ashimmering effect on the screen. For this reason, takecare not to shield the air exhaust vents and consider thedirection of the air flowing from air conditioning.DO NOT TOUCH THE SURFACE OF THEPROJECTOR LENS WITH YOUR BARE HAND.If the surface of the lens becomes dirty from fingerprintsor anything else, this will be magnified and projectedonto the screen. Please put the standard lens cover onthe projector when you do not use it.DO NOT MOVE THE PROJECTOR WHILEIT IS OPERATING OR SUBJECT IT TOVIBRATION OR IMPACT.The service life of its internal components will beshortened.THE PROJECTOR HAS A HIGHPRESSURE MERCURY LAMP THAT ISCHARACTERIZED AS FOLLOWS:The brightness of the lamp will decrease over time.•The lamp may explode or shorten the lamp life by•shocks or chipping damage.In rare cases, it may burst shortly after the first use.•The possibility of its bursting increases when the lamp•is used beyond the replacement time.If the lamp bursts, gas inside the lamp is released in•the form of smoke.The life of a mercury lamp varies according to the•individual difference or conditions of use.In particular, turning the power on and off frequently•and/or repeatedly as well as continuous use for10 hours will greatly affect the life cycle. Provide alamp for replacement in advance.CONNECTION TO EXTERNAL DEVICEWhen connecting the projector to a computer orexternal device, use the power cord supplied with thecorresponding device and a commercially availableshielded interface cable.OPTICAL COMPONENTSIt may be necessary to replace the optical componentssuch as Liquid crystal panels and Polarizing platesin less than 1 year if using the projector in a hightemperature environment or in a very dusty, oily smokeor tobacco smoke environment. For more details,please contact your dealer.LIQUID CRYSTAL PANELThe Liquid crystal panels are precision-made. Note thatin rare cases, pixels of high precision could be missingor always lit, but this is not a malfunction.Do not project the same image for long periods oftime, as this may remain as an afterimage on the liquidcrystal panel. Display the white screen test pattern formore than an hour to remove it. See “TEST PATTERN”on page 39.SECURITYTAKE SAFETY MEASURES AGAINSTFOLLOWING INCIDENTS.Personal information being leaked via this product.•Unauthorized operation of this product by a malicious•third party.Interfering or stopping of this product by a malicious•third party.SECURITY INSTRUCTIONThe connecting network must be secured by firewall•or others.Change your password regularly.•Do not use a password that is simple to guess.•Panasonic and its affiliate companies would never•directly inquire about your password.Do not share your password with the general public.•Set a password, and place restrictions on the users•who can log in.