NEC MultiSync LCD1920NX User And Service Manual

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NEC MultiSync LCD1920NX User And Service Manual Manual pdf 22 page image

1-1917TCO’95MultiSync LCD1920NX (L19GC061) Black ModelCongratulations! You have just purchased a TCO’95 approved andlabeled product! Your choice has provided you with a product developedfor professional use. Your purchase has also contributed to reducing theburden on the environment and also, to the further development ofenvironmentally adapted electronics products.Why do we have environmentally labelled computers?In many countries, environmental labelling has become an established method for encourag-ing the adaptation of goods and services to the environment. The main problem, as far ascomputers and other electronics equipment are concerned, is that environmentally harmfulsubstances are used both in the products and during the manufacturing. Since it has not beenpossible for the majority of electronics equipment to be recycled in a satisfactory way, mostof these potentially damaging substances sooner or later enter Nature.There are also other characteristics of a computer, such as energy consumption levels, that areimportant from the viewpoints of both the work (Internal) and natural (external) environments.Since all methods of conventional electricity generation have a negative effect on theenvironment (acidic and climate-influencing emissions, radioactive waste, etc.), it is vital toconserve energy. Electronics equipment in offices consume an enormous amount of energysince they are often left running continuously.What does labelling involve?This product meets the requirements for the TCO’95 scheme which provides for internationaland environmental labelling of personal computers. The labelling scheme was developed asa joint effort by the TCO (The Swedish Confederation of Professional Employees),Naturskyddsforeningen (The Swedish Society for Nature Conservation) and NUTEK (TheNational Board for Industrial and Technical Development in Sweden).The requirements cover a wide range of issues: environment, ergonomics, usability, emissionof electrical and magnetic fields, energy consumption and electrical and fire safety.The environmental demands concern restrictions on the presence and use of heavy metals,brominated and chlorinated flame retardants, CFCs (freons) and chlorinated solvents, amongother things. The product must be prepared for recycling and the manufacturer is obliged tohave an environmental plan which must be adhered to in each country where the companyimplements its operational policy. The energy requirements include a demand that thecomputer and/or display, after a certain period of inactivity, shall reduce its powerconsumption to a lower level in one or more stages. The length of time to reactivate thecomputer shall be reasonable for the user.Labelled products must meet strict environmental demands, for example, in respect of thereduction of electric and magnetic fields, physical and visual ergonomics and good usability.TCO’95 is a co-operative project between TCO (The Swedish Confederation of ProfessionalEmployees), Naturskyddsforeningen (The Swedish Society for Nature Conservation) andNUTEK (The National Board for Industrial and Technical Development in Sweden).Environmental RequirementsBrominated flame retardantsBrominated flame retardants are present in printed circuit boards, cables, wires, casings andhousings. In turn, they delay the spread of fire. Up to thirty percent of the plastic in a computercasing can consist of flame retardant substances. These are related to another group ofenvironmental toxins, PCBs, which are suspected to give rise to similar harm, including