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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of EAW CSC723X, 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.
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First and foremost, an user manual of EAW CSC723X should contain:
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of EAW CSC723X 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 EAW CSC723X, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the EAW 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 EAW CSC723X.
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Table of contents for the manual
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Page 1
EA W’ s CSC Series Scr een Channel Sy stems A T echnical Overview[...]
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Page 2
Sy stem Ov erview The CSC Series three-way scr een channel loudspeaker systems from EA W address many issues raised by the changing design trends of modern cinemas. The featur es and benefits of this product design are manifested in two models at the present time: the CSC923 (and its biamplified version, CSC923X), and the CSC723 (and its biamplifie[...]
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Page 3
Since the vertical coverage pattern tilts downward, we r ecommend little or no down- war d horn aiming. Instead the system is aimed by elevation; the HF horn should be elevated to a height where it is dir ectly in line with the last row of seats. This has been found to pr ovide the best coverage fr ont to back, and significantly simplifies setup an[...]
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Page 4
Unfortunately , optimization in one area usually r esults in trade-offs elsewhere. For example, spatial performance (pattern control) can be optimized by very lar ge horns, but the resulting enclosure’s utility will be severely degraded. The goal of the CSC Series was to optimize performance attributes in all ar eas without compromising others. S[...]
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Page 5
problem at the sour ce. The cone transducer ’s tempo- ral smear is corrected by pr ecisely aligning the cone/ dustcap/surround geometry to maintain temporal unity . The distance to the dustcap is slightly longer to compensate for differ ences in material density . The phase plug, whose geometry is matched to the cone, then serves to leave this un[...]
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Page 6
One Main Str eet, Whitinsville, MA U SA 01588 • (508) 234-6158 • FAX (508) 234-8251 • Email inf o@eaw .com • Web http://www .eaw .com EAW pr oducts are contin ually improved. All specificati ons are theref ore subject to change without n otice. • 5/30/00[...]