Panasonic PT-EZ770Z Operating Instructions Manual

Also see for PT-EW730Z: Information for users Service manual Operating instructions Operating instructions

Contents

Panasonic PT-EZ770Z Operating Instructions Manual Manual pdf 21 page image

Chapter 1 Preparation — Precautions for useENGLISH - 21rLCD panelf The LCD panel is precision-made. Note that in rare cases, pixels of high precision could be missing or always lit. Note thatsuch phenomena do not indicate malfunction. If still images are projected for a long time, a residual image may remain onthe LCD panel. Note that the residual image may not disappear.rOptical partsWhen the operating environment temperature is high or in environments where lots of dust, cigarette smoke, etc. is present,the replacement cycle of the LCD panel, deflection panel and other optical parts may be shorter even if used for less than oneyear. Consult your dealer for details.rDo not move the projector or subject it to vibration or impact while it is operating.Doing so may shorten the life of the built-in motor.rLampThe light source of the projector is a high-pressure mercury lamp.A high-pressure mercury lamp has the following characteristics.f The luminance of the lamp will decrease by duration of usage.f The lamp may burst with a loud sound or have its service life shortened because of shock, chipping, or degradation due tocumulative runtime.f The lamp life varies greatly depending on individual differences and usage conditions. In particular, continuous use for 12hours or more and frequent off/on switching of the power greatly deteriorate the lamp and affects the lamp life.f In rare cases, the lamps burst shortly after projection starts.f The risk of bursting increases when the lamp is used beyond its replacement cycle. Make sure to replace the lamp unitregularly.(“When to replace the lamp unit” (x page 133), “How to replace the lamp unit” (x page 133))f If the lamp bursts, gas contained inside of the lamp is released in the form of smoke.f It is recommended that you store the Replacement Lamp Unit as a contingency.rComputer and external device connectionsf When connecting a computer or an external device, read this manual carefully regarding the use of power cords andshielded cables as well.DisposalTo dispose of the product, ask your local authorities or dealer for correct methods of disposal.The lamp contains mercury. When disposing of used lamp units, contact your local authorities or dealer for correct methods ofdisposal.