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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Harman MS-12SD2, 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 Harman MS-12SD2 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 Harman MS-12SD2. 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 Harman MS-12SD2 should contain:
- informations concerning technical data of Harman MS-12SD2
- name of the manufacturer and a year of construction of the Harman MS-12SD2 item
- rules of operation, control and maintenance of the Harman MS-12SD2 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 Harman MS-12SD2 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 Harman MS-12SD2, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Harman 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 Harman MS-12SD2.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Harman MS-12SD2 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
OW N E R ’S MAN U AL M S - 10 S D 2 M S - 10 S D 4 M S - 12 S D 2 M S - 12 S D 4 M S - 15 S D 2 MS SERIE S dual voice-coil sub woo fer[...]
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Page 2
English for purchasing an MS Series subwoofer . Subwoofer installation requir es woodworking skills and some experience in disassembling and reassembling automotive interiors. If you lack the tools or necessary skills, have your subwoofer installed by an authorized JBL ® deale[...]
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Page 3
English Y ou must use both coils of a dual voice-coil woofer connected 2. either in series or in parallel. Most amplifiers deliver exactly the same amount of power bridged 3. into a 4-ohm load as they do running a 2-ohm stereo load. T o design a subwoofer system that maximizes available amplier power , ke[...]
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English Nominal diameter: 10 in (254mm) 10 in (254mm) 12 in (305mm) 12 in (305mm) 15 in (381mm) Nominal impedance: 2+2 ohms 4+4 ohms 2+2 ohm[...]
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English ßL: 13.3Tm 16.6Tm 12.6Tm 16.3Tm 13.2Tm Flux density: 0.8T 0.9T 0.6T 0.7T 0.6T V oice-coil diameter: 1.92 in (4[...]
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English Magnet material: Barium ferrite Barium ferrite Barium ferrite Barium ferrite Barium ferrite Magnet weight[...]
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English Ø 1 0 . 74 " (Ø2 73mm ) 0.25" x 8 (8x) (6.5 mm x 8 (8 x)) Ø9.56" (Ø2 43mm ) 5.7 " (14 5 m m ) 6. 25" (15 9 m m ) 8.97 " (228 mm) [...]
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