21. Important Temperature: 0-40°C 32-95°F Humidity: 20-80% RH IMPORTANT: Always activate a movingscreen saver program when you leaveyour monitor unattended. Always activatea periodic screen refresh applicationif your monitor will display unchangingstatic content. Uninterrupted display ofstill or static images over an extendedperiod may cause “burn in”, also known as“after-imaging” or “ghost imaging”, on yourscreen."Burn-in", "after-imaging", or "ghost imag-ing" is a well-known phenomenon in LCDpanel technology. In most cases, the“burned in” or “after-imaging” or “ghostimaging” will disappear gradually over aperiod of time after the power has beenswitched off.WarningFailure to activate a screen saver, or a periodicscreen refresh application may result in severe“burn-in” or “after-image” or “ghost image”symptoms that will not disappear and cannot berepaired. The damage mentioned above is notcovered under your warranty.Service The casing cover should be opened onlyby qualified service personnel. If there is any need for any document forrepair or integration, please contact withyour local service center. (please refer tothe chapter of "Consumer InformationCenter") For transportation information, pleaserefer to "Technical Specifications". Do not leave your monitor in a car/trunkunder direct sun light.NoteConsult a service technician if the monitordoes not operate normally, or you are not surewhat procedure to take when the operatinginstructions given in this manual have beenfollowed.1.2 Notational DescriptionsThe following subsections describe notationalconventions used in this document.Notes, Cautions and WarningsThroughout this guide, blocks of text may beaccompanied by an icon and printed in bold oritalic type. These blocks contain notes, cautionsor warnings. They are used as follows:NoteThis icon indicates important information andtips that help you make better use of yourcomputer system.CautionThis icon indicates information that tells youhow to avoid either potential damage tohardware or loss of data.WarningThis icon indicates the potential for bodily harmand tells you how to avoid the problem.Some warnings may appear in alternate formatsand may not be accompanied by an icon. In suchcases, the specific presentation of the warning ismandated by the relevant regulatory authority.