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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of JL Audio C2-690tx, 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 JL Audio C2-690tx 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 JL Audio C2-690tx. 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 JL Audio C2-690tx should contain:
- informations concerning technical data of JL Audio C2-690tx
- name of the manufacturer and a year of construction of the JL Audio C2-690tx item
- rules of operation, control and maintenance of the JL Audio C2-690tx 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 JL Audio C2-690tx 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 JL Audio C2-690tx, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the JL Audio 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 JL Audio C2-690tx.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the JL Audio C2-690tx 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
OWNER’ S MANU AL Th ank you for c hoos ing a JL Audio Evoluti on ™ C2 Spea ker Syste m for your automot ive so und syste m. The se Evolution ™ Spea kers h ave be en de sign ed and manufa cture d to ex ac ting stan dard s in orde r to en sure yea rs of mu sic al e njoy ment in y our vehicle. For m ax imum per fo rm ance , we hig hly rec omme n[...]
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Page 2
2 | JL Audio - C2-690tx Owner ’ s Manual A B F E D A B C Due to ongoi ng product development, all specification s are s ubject to change without notice . W oofer Physical Dimensions Frame Outer Diameter (A) 6.40 x 9.33 in. / 162.6 x 237.0 mm Grille T ray Outer Diameter (B) 6.75 x 9.63 in. / 171.5 x 244.5 mm Magnet Outer Diameter (C) 3.94 in. / 10[...]
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Page 3
2 | JL Audio - C2-690tx Owner ’ s Manual 3 C2- 690 t x SPEC IFIC A TI ONS: Woofer: Injection-molded, m ica-filled, polypropylene cone bo dy, 1 . 25 (32 mm) voice coil, f lat-p rofil e/sym metr ical -roll spid er , po lyeth er foam su rround Mid-Range : 2-in ch Mylar, seal ed ba ck cone dr iver, ferro f luid coo led an d dampe d Tw e e t e r : 0.7[...]
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Page 4
4 | JL Audio - C2-690tx Owner ’ s Manual SPEAKE R INSTALLA TI ON Thespeakershould beinsta lledinone ofthe fol lowi ng ways dep end ing onlo cat ion: Bottom-Mount Locations: Ifyouwil lbeusing thef acto r ys peaker wires, it mayb en ecessar y to cha nge t he?[...]
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Page 5
4 | JL Audio - C2-690tx Owner ’ s Manual 5 T op- Mount Locations: Runspeakerwi ret o t hede si redm ount in gloc at ion. Ify oua rer u nn in g wiresin toa door , usee xistingf acto r ywiringb oots whenev erpossible. Ifyou aredr il lingnewh oles,fi le their [...]
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Page 6
6 | JL Audio - C2-690tx Owner ’ s Manual NOTES[...]
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Page 7
6 | JL Audio - C2-690tx Owner ’ s Manual 7 NOTES[...]
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Page 8
LIMITED W ARRANT Y AUT OMOTIVE SPEAKER SYSTEMS USA JLA UDIOwarra n tsthesespea kers ( a nd crossover networ ks,whereap plicable )tobefreeof def ectsin mate ria l sa ndwor k ma nsh ipfor ape rio dof one (1 ) ye ar . Thiswa rrant yis nottransferabl eand?[...]