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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Altec Lansing DX1012-8A, 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 Altec Lansing DX1012-8A 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 Altec Lansing DX1012-8A. 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 Altec Lansing DX1012-8A should contain:
- informations concerning technical data of Altec Lansing DX1012-8A
- name of the manufacturer and a year of construction of the Altec Lansing DX1012-8A item
- rules of operation, control and maintenance of the Altec Lansing DX1012-8A 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 Altec Lansing DX1012-8A 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 Altec Lansing DX1012-8A, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Altec Lansing 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 Altec Lansing DX1012-8A.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Altec Lansing DX1012-8A 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
FREQUENCY RESPONSE 1, 2 70 Hz - 16 kHz (±3 dB) USABLE LOW FREQUENCY LIMIT (-10 dB) 1, 2 45 Hz SENSITIVITY 3 97 dB SPL POWER HANDLING 4 300 W continuous; 1,200 W peak MAXIMUM OUTPUT (1 m) 5 122 dB SPL continuous; 128 dB SPL peak COVERAGE ANGLES 6 90 o (horizontal) x 90 o (vertical) DIRECTIVITY FACTOR, Q 6 11.11 DIRECTIVITY INDEX, Di 6 11.46 dB TRAN[...]
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Page 2
ARCHITECTS & ENGINEERS SPECIFICA TION The loudspeaker system shall be a two-way multi-purpose type consisting of a 12 inch / 300mm Duplex® loudspeaker component with a 1.4" exit throat compression driver and conical horn. The crossover network shall be a dual- section, 12 dB/octave slope low pass and 12 dB/octave slope high pass with an e[...]
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Page 3
As we are continually striving to improve Altec Lansing products, specifications are subject to change without notice. Please visit www .altecpro.com for the latest information on Altec Lansing Professional products. 0 o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 240 o 270 o 300 o 330 o 315 Hz 250 Hz 200 Hz 0 o 30 o 60 o 90 o 120 o 150 o 180 o 210 o 24[...]
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Page 4
AP1470 R03 © 2004 Altec Lansing Professional 1000 W . Wilshire Blvd., Suite 362 Oklahoma City , Oklahoma 73116 Phone: 1-405-848-3108 • Fax: 1-405-848-3217 W eb: www .altecpro.com • Email: proinfo@alteclansing.com P ROF ESSIO N Al SCALE 1.000 18.661 [474.00] 21.921 [556.80] 15.118 [384.00] 7.736 [196.50] 6.449 [163.80] 1.708 [43.39] 7.622 [193.[...]