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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Mackie AM4120, 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 Mackie AM4120 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 Mackie AM4120. 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 Mackie AM4120 should contain:
- informations concerning technical data of Mackie AM4120
- name of the manufacturer and a year of construction of the Mackie AM4120 item
- rules of operation, control and maintenance of the Mackie AM4120 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 Mackie AM4120 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 Mackie AM4120, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Mackie 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 Mackie AM4120.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Mackie AM4120 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
AM 4000 Series Integrat ed Mixer/Amplifier AM4120 AMPLIFIER ■ The AM4120 is des igned for continuous duty in speec h, music, paging and sound reinforc ement application s in churc hes, sc hools, office s, arenas, hotel meeting rooms, conv ention centers, recreation f acilities and other venues demanding high performanc e, flexibl e feat ures a[...]
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Page 2
Integrat ed Mixer/Ampli fi er AM4120 AMPLIFIER AM4120 oF 6 P AGES 2 OF 4 P AGES Spec i fi cations Perform ance Ampli fi er Po wer: 120W , nominal, 180W peak (10mS) Fr equency Respon se: 50Hz – 15kHz ±3dB Distortion: L ess than 1% THD at 1kHz nominal power Noise: Better t han 65dB Equaliz ation Output: T reble shelving: ±12 dB at 10kHz Bas s [...]
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Page 3
Integrat ed Mixer/Ampli fi er AM4120 oF 6 P AGES 3 OF 4 P AGES POWER AUX INPUT LEVELS AUX 1 2 INPUT 3 INPUT 1 INPUT 2 INPUT 4 AM 4120 - P .A. AMPLIFIER LOW EQ HIGH VOLUME PEAK OV E R LOA D SI GNAL ON 1 3 4 5 6 7 9 0 10 8 2 1 3 4 5 6 7 9 0 10 8 2 1 3 4 5 6 7 9 0 10 8 2 1 3 4 5 6 7 9 0 10 8 2 1 3 4 5 6 7 9 0 10 8 2 0 10 8 2 1 3 4 5 6 7 9 8 4 2 0 2 4[...]
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Page 4
Integrat ed Mixer/Ampli fi er AM4120 AMPLIFIER AM4120 oF 6 P AGES 4 OF 4 P AGES Ar chitect s’ and Engineers’ S pecifications The integrated mix er/ampli fi er shall h ave a nominal out- put power of at lea st 120W RMS. It sh all operate on 115V AC or 230V AC at either 50Hz or 60Hz and have its sourc e power supplied by a det achabl e IEC pow[...]