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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of NAD 517, 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 NAD 517 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 NAD 517. 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 NAD 517 should contain:
- informations concerning technical data of NAD 517
- name of the manufacturer and a year of construction of the NAD 517 item
- rules of operation, control and maintenance of the NAD 517 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 NAD 517 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 NAD 517, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the NAD 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 NAD 517.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the NAD 517 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
517 Multiple Compact Disc Player Date of manufacture : Nov 94 - Nov 96 Please note that this document contains the text from the original product br ochure, and some technical statements may now be out of date The NAD 517 combines the convenience of a five disc "carousel" with the kind of performance that has won widespread acclaim for si[...]
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Page 2
CD SECTION Disc capacity 5 x 120mm or 80mm Programming capacity 32 tracks Digital-to-Analogue conversion Bitstream Digital filter 8 x oversampled linear phase Analogue filter 5 pole active Frequency r esponse 5Hz - 20kHz ±0.5dB De-emphasis error ±0.3dB THD (at 0dB, 1kHz) 0.003% Dynamic range 98dB Linearity ±0.5dB; 0 to 90dB Signal/Noise ratio (A[...]