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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Coustic car audio, 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 Coustic car audio 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 Coustic car audio. 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 Coustic car audio should contain:
- informations concerning technical data of Coustic car audio
- name of the manufacturer and a year of construction of the Coustic car audio item
- rules of operation, control and maintenance of the Coustic car audio 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 Coustic car audio 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 Coustic car audio, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Coustic 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 Coustic car audio.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Coustic car audio 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
XM2 & XM4 OWNER’S MANUAL 877 COUSTIC WWW .COUSTIC.COM[...]
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WELCOME …to the Coustic Car Audio world of hard-hitting, high-quality mobile audio products. The new Coustic XM series 2-way crossovers utilize the industr y's most advanced sound engineering and manufacturing processes to offer the highest quality electronic crossovers available on the market today . Besides their sleek, contoured design, t[...]
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HIGH P ASS AND LOW P ASS V ARIABLE LEVEL CONTROLS The adjustable high pass and subwoofer output levels allow precise control of the signals going to the respective amplifier . CONTINUOUSL Y V ARIABLE CROSSOVERS POINTS This feature allows for individual high pass and low pass crossover settings that can be selected within a range of frequencies to e[...]
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XM2: CONTROLS, INDICA TORS & TERMINALS 1 Power Input T erminal (B+) – T o be connected to the positive terminal of your vehicle batter y or other constant +12V source 2 Ground Input T erminal (GND) – T o be wired to the vehicle’ s chassis ground 3 Remote T urn-on Input T erminal (REMOTE) – T o be connected to the remote control wire or [...]
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XM4: CONTROLS, INDICA TORS & TERMINALS 1 Power Input T erminal (B+) – Connects to the positive terminal of your vehicle batter y or other constant +12V source 2 Ground Input T erminal (GND) – Wires to the vehicle’ s chassis ground 3 Remote T urn-on Input T erminal (REM) – Connects to the remote control wire or antenna lead of the source[...]
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WWW .COUSTIC.COM 11 Note: Please check with your vehicle’ s manual to see if special tools are necessar y for working on your par ticular vehicle. Check and make sure the vehicle’ s main batter y and/or auxiliar y batter y , if any , is/are in good working condition and has sufficient capacity to run the electrical components of the vehicle plu[...]
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WWW .COUSTIC.COM 13[...]
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WWW .COUSTIC.COM 15 See Page 21 XM4 Subwoofer Phase Adjustment[...]
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WWW .COUSTIC.COM 17 See Page 21 XM4 Subwoofer Phase Adjustment[...]
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if using the rear outputs from the source unit • Connect the rear outputs of the source unit to the rear inputs of the crossover . Slide the parallel input switch to the “OUT” position. if using the subwoofer outputs from the source unit • Connect the subwoofer outputs of the source unit to the sub inputs of the crossover . Slide the parall[...]
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• Set the volume of the source unit to approximately 2 ⁄ 3 of its maximum output. • Starting from their respective preset levels, adjust one output level at a time. With each of the level controls, turn the level up or down until distortion develops, then retrace the path until distor tion disappears. • Optimum output levels var y with the [...]
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XM4 — 2-/4-/6-CHANNEL 2-W A Y CROSSOVER Dual High Pass Crossover: 18dB/Oct 40Hz-400Hz Low Pass Crossover: 36dB/Oct Mono 40Hz-200Hz Bass Drive: 0dB to 18dB Bass Boost Eq: 0-18dB @ 45Hz Phase Switch: 0˚/180˚ Max Input/Output: 8V olts RMS Input current: 1 amp max. Frequency response: 20Hz – 20kHz ± 1 ⁄ 4 dB before crossover limit Separation: [...]
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W ARRANTY LIMITED W ARRANTY Impor tant Notice to Consumer: Coustic offers the following warranty to the ORIGINAL PURCHASER of COUSTIC products within the period stated herein: Coustic warrants the XM2, XM4 and XM6 against defects in material and workmanship for a period of ONE (1) YEAR from date of original purchase. The limited warranty is offered[...]
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WWW .COUSTIC.COM 27 NOTES:[...]
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COU000699 RevA 10/01 NDM144 ©2001. COUSTIC IS A REGISTERED TRADEMARK OF MITEK CORPORA TION. ALL RIGHTS RESERVED. 7676 SOUTH 46 STREET , SUITE 2020, PHOENIX, AZ 85042 TOLL FREE 877 COUSTIC TELEPHONE 602 438 2020 F ACSIMILE 602 438 7313 www .coustic.com[...]