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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Dual BAK1500, 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 Dual BAK1500 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 Dual BAK1500. 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 Dual BAK1500 should contain:
- informations concerning technical data of Dual BAK1500
- name of the manufacturer and a year of construction of the Dual BAK1500 item
- rules of operation, control and maintenance of the Dual BAK1500 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 Dual BAK1500 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 Dual BAK1500, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Dual 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 Dual BAK1500.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Dual BAK1500 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
INSTALLATION/OWNER'S MANUAL Compact Amplified Subwoofer BAK1500[...]
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Page 2
2 Getting Started Thank you for purchasing the Dual BAK1500 compact amplified subwoofer. Although Dual has attempted to ensure the information in this manual is accurate, please be aware that any part of it is subject to change without notice. Please read entire manual before installation. Due to the technical nature of amplifiers, it is highly[...]
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Page 3
3 The following installation instructions are intended to be used as a basic guideline. If you feel unsure about installing this speaker system yourself, Dual recommendsacquiringtheservicesofaprofessionalcaraudioinstallation center. Beforeinstallation,pleasereviewthefollowingguidelines: 1. Be sure to [...]
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Page 4
4 Note: Be sure to follow specific instructions included with your amplifier installation kit (not included with this amplifier). The information below should be used a general guideline only. Power Wire (+12V) • Disconnectnegative batteryterminal before?[...]
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Page 5
5 PhaseControl CrossoverFrequency RemoteConnection Gain 1 6 2 7 3 8 4 InputConnections Power Indicator Protect PowerConnection &High LevelInput Connections and Controls INSTALLATION 1 2 3 4 5 6 7 8 5[...]
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Page 6
6 Main Power Connections ConnectBAT+, GNDand REMwires accordingly.A suitablefuseMUST beinstalled onthe BAT+lead within18" ofthe batteryfor protectionofthe vehicle’selectrical system. BA TTERY HIGH LEVEL INPUT (SPEAKER WIRE) POWER . MIN . MAX REMOTE BASS [...]
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Page 7
7 Lowlevel (RCA)input signalis preferredfor best performance.Typical trunk-mountinstallations requirea 17-20foot RCAcable. Mosttrucks and behind-seatapplications requirea 6-12foot RCA cable.Using twistedpair constructionRCA cables will minimi[...]
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Page 8
8 INSTALLATION Mounting the Subwoofer Determineoptimal locationfor mountingthe subwoofer(refer topage 2for mounting location guidelines. A typical mounting location is shown below. Typical Below-Seat Mounting Location[...]
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Page 9
9 Problem Cause Action Unit will not turn on (no power LED indicator) BAT+wire notconnectedor incorrectvoltage REMwire notconnectedor incorrectvoltage Checkconnections forpropervoltage (11~16VDC) GND wire not connected Checkconnection toground Fuse(s)blown Replace [...]
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Page 10
10 OPERATION Thiswarranty givesyou specificlegal rights.You mayalso haveother rights whichvary from stateto state. DualElectronics Corp.warrants this product to the original purchaser to be free from defects in material and workmanship for a period of one year from the date [...]
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Page 11
11 1500 watts 25-120Hz 92dB Lowlevel (RCA):10k ohms Highlevel (speakerwire): 200ohms 125mV – 3V 50–160Hz 6dB/octave 0–180degrees 10 amp ATO 2.85x 14.88x 10.55(H xW xD) 10" 4 ohm 20 oz. Aluminum Rubber Design and specifications subject to change without notice. Amplifier Maxi[...]
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Page 12
DualElectronics Corp. TollFree: 1-866-382-5476 www.dualav.com ©2013Dual ElectronicsCorp.All rightsreserved. NSA0513-V01 Printedin China[...]