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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Optimus 120-1725, 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.
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Unfortunately, only a few customers devote their time to read an instruction of Optimus 120-1725. 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 Optimus 120-1725 should contain:
- informations concerning technical data of Optimus 120-1725
- name of the manufacturer and a year of construction of the Optimus 120-1725 item
- rules of operation, control and maintenance of the Optimus 120-1725 item
- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of Optimus 120-1725 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 Optimus 120-1725, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Optimus 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 Optimus 120-1725.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Optimus 120-1725 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
Three-Way Bass Reflex Car Speaker System (120-1725) Features Faxback Doc. # 38063 Your Optimus Three-Way Bass Reflex Car Speaker System is designed to give you clean sound with powerful bass. The system is ideal for rear-deck mounting. To get the best sound from your speakers, please read all of these instructions carefully for the proper wiring an[...]
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Page 2
Three-Way Bass Reflex Car Speaker System (120-1725) Wiring the Speakers Faxback Doc. # 38064 Connect two speakers to your auto sound system as shown. NOTES: If your autosound system has a front-to-rear fader, follow the instructions in the audio component's manual for the correct speaker connections. To ensure proper phasing, match the speaker[...]
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Page 3
mounting position. Then determine the center of the mounting position. 3. Drill a hole 1/4-inch wide in the center of the mounting position. 4. Attach the bolt to the bottom of the speaker cabinet and secure the bolt using a Phillips screwdriver. 5. Position the speaker cabinet on the mounting surface by inserting the bolt through the drilled hole.[...]
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Page 4
Three-Way Bass Reflex Car Speaker System (120-1725) Specifications Faxback Doc. # 15674 Crossover Capacitor Size................................................................5x11 mm Capacitance.....................................2.2 micro Farad, 50 V (B/P) Speaker Size: ........................................... 3 1/2-inch woofer 2-inch midrang[...]
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Page 5
Audio Connection Information (120-Series) Plug/Male 2 Ch. System Faxback Doc.# 19994 +----+--------------+---------------+------------+------------------------+ |Pin | | | | | |No. | WIRE COLOR | WIRE SPECS. | LABEL | REMARK | +----+--------------+---------------+------------+------------------------+ | 1 | WHT/BLK | AWG #20 | FRONT L- | STRIP SOLD[...]
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Page 6
(2CH/4CH SWITCHABLE UNIT) +----+--------------+---------------+------------+------------------------+ |Pin | | | | | |No. | WIRE COLOR | WIRE SPECS. | LABEL | REMARK | +----+--------------+---------------+------------+------------------------+ | 1 | WHT/BLK | AWG #20 | FRONT L- | STRIP SOLDER | | | | 2P CORD | | | +----+--------------+-------------[...]
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Page 7
|Pin | | | | | |No. | WIRE COLOR | WIRE SPECS. | LABEL | REMARK | +----+--------------+---------------+------------+------------------------+ | 1 | WHT/BLK | AWG #20 | FRONT L- | STRIP SOLDER | | | | 2P CORD | | | +----+--------------+---------------+------------+------------------------+ | 2 | GRY/BLK | " | FRONT R- | " | +----+---------[...]
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Page 8
+---------+--------------+ | White | Right (-) | +---------+--------------+ | Brown | Left (+) | +---------+--------------+ | Gray | Left (-) | +---------+--------------+ | Red | +12 V Power | +---------+--------------+ REAR +---------+--------------+ | GRN/BLK | Right (+) | +---------+--------------+ | WH/BLK | Right (-) | +---------+-------------[...]