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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Epson 7550C, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.
What is an instruction?
The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of Epson 7550C one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.
Unfortunately, only a few customers devote their time to read an instruction of Epson 7550C. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.
What should a perfect user manual contain?
First and foremost, an user manual of Epson 7550C should contain:
- informations concerning technical data of Epson 7550C
- name of the manufacturer and a year of construction of the Epson 7550C item
- rules of operation, control and maintenance of the Epson 7550C item
- safety signs and mark certificates which confirm compatibility with appropriate standards
Why don't we read the manuals?
Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Epson 7550C alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of Epson 7550C, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Epson service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of Epson 7550C.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Epson 7550C item, and its use of respective accessory, as well as information concerning all the functions and facilities.
After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.
Table of contents for the manual
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Page 1
EPSON PowerL it e 555 0C/7550 C Mult im edia Proj e ctor 9/99 PowerLite 555 0C/75 50C Mu lt imed ia Proj ect or - 1 Proje ctor S peci ficat ions Ge ner al Type o f displ ay Poly-si licon Thin Fil m Transist or (TF T), active matr ix Size o f l iqui d crystal panels Diago nal: 0.9 inch es (22.9 m m) Lens F = 1.7–2 .0, f = 37–4 8 mm Reso lution 5[...]
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Page 2
EP SON Power Lite 5550C/75 50C Mul timedia P rojector 2 - PowerLi te 555 0C/ 75 50C Mult im e dia Project or 9/99 Rem o te C o ntro l Rang e 32.8 feet (10 m eters) Batte ries Alk aline AA ( 2) I /R rec eiv er Sup po rts Xa nt ec h ® IR repeater s, interfa ce 3.5 mm stereo mini-j ack right/le ft ± 30°; upp er/low er ± 15° Mouse C ompatibility S[...]
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Page 3
EPSON PowerL i t e 555 0C/7550 C Multimedi a Proje ctor 9/99 PowerLite 555 0C/ 75 50C Mu lt imed i a Proj ect or - 3 Pr ojec tor Plac ement Guid eline s To get the best r esu lts when p ro jecting your images, p o siti on the pro jecto r at the prop er he ight and dista nce rel ative to th e screen. When pro ject ing fr o m a table or desk, place t[...]
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Page 4
EP SON Power Lite 5550C/75 50C Mul timedia P rojector 4 - PowerLi te 555 0C/ 75 50C Mult im e dia Project or 9/99 This table summarizes the f u ncti ons on the remote control . Using th e Cont rol Panel Although yo u must use the r emote control to access custo m feature s, such a s functio ns assigned t o the Ef fects buttons, you can use the co n[...]
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Page 5
EPSON PowerL i t e 555 0C/7550 C Multimedi a Proje ctor 9/99 PowerLite 555 0C/ 75 50C Mu lt imed i a Proj ect or - 5 Pr oje ctor Lamp Light Te mp erat ure Ind ica tor Cl eani ng t he Air Filt er Clean t he air filter a t the bot tom of the p rojector a f ter ev ery 100 hou rs of use. If it is not cleane d periodicall y, it can become clogged with d[...]
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Page 6
EP SON Power Lite 5550C/75 50C Mul timedia P rojector 6 - PowerLi te 555 0C/ 75 50C Mult im e dia Project or 9/99 4. Use a s crewdriver, co in, or si milar object to loosen the t wo screws ho lding the lamp assembly i n position. (You can not remove these scr ews eit her.) Cauti on : Don’t tou ch the glass por tio n of th e lam p assem bly ; this[...]