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The rules should oblige the seller to give the purchaser an operating instrucion of Yamaha 90, 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 Yamaha 90 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 Yamaha 90. 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 Yamaha 90 should contain:
- informations concerning technical data of Yamaha 90
- name of the manufacturer and a year of construction of the Yamaha 90 item
- rules of operation, control and maintenance of the Yamaha 90 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 Yamaha 90 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 Yamaha 90, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Yamaha 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 Yamaha 90.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Yamaha 90 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
1 English OWNER’S MANUAL MODE D’EMPLOI BEDIENUNGSANLEITUNG BRUKSANVISNING MANUALE DI ISTRUZIONI MANUAL DE INSTRUCCIONES GEBRUIKSAANWIJZING Active Servo Processing Subwoofer System Caisson de grave avec asservissement actif YS T - S W 1 60 / 90 B G R T 01-11,72_YST-SW160/90 ENG 00.7.20, 5:07 PM 1[...]
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Page 2
2 Thank you for selecting this Y AMAHA subwoofer system. CA UTION: READ THIS BEFORE OPERA TING Y OUR UNIT . 1. T o assure the finest performance, please read this manual carefully . Keep it in a safe place for future reference. 2. Install this unit in a cool, dry , clean place, away from windows, heat sources, sources of excessive vibration, dust, [...]
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Page 3
3 English FEA TURES • This subwoofer system employs Advanced Y AMAHA Active Servo T echnology which Y AMAHA has developed for reproducing higher quality super-bass sound. (Refer to page 10 for details on Advanced Y AMAHA Active Servo T echnology .) This super-bass sound adds a more realistic, theater-in-the-home effect to your stereo system. • [...]
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4 CONNECTIONS Never plug in the subwoofer and other audio/video components until all connections are completed. • When making connections between this unit and other components, be sure all connections are made firmly and correctly; L (left) to L , R (right) to R , + to + and – to – . • This unit can be connected to either the speaker termi[...]
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Page 5
5 English Connecting to this unit’ s OUTPUT/INPUT terminals For connections, keep the speaker wires as short as possible. (Cut the excessive wire, if necessary .) If the connections are faulty , no sound will be heard from the speakers. Make sure that the polarity of the speaker wires is correct, by observing + and – markings. If these wires ar[...]
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Page 6
6 CONNECTING T O LINE OUTPUT (PIN J A CK) TERMINALS OF THE AMPLIFIER • Connect the main speakers to the speaker output terminals of the amplifier . • Amplifier line output terminals are generally labeled PRE OUT or SUBWOOFER OUT . • T o connect with a Y AMAHA DSP amplifier , connect the SUBWOOFER (or LOW P ASS etc.) terminal on the rear of th[...]
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7 English STANDBY/ON HIGH CUT VOLUME 140 Hz 01 0 40 Hz 140 Hz 01 0 40 Hz 150 Hz 01 0 50 Hz YST-SW160 YST-SW90 STANDBY/ON HIGH CUT VOLUME STANDBY/ON HIGH CUT VOLUME OUTPUT INPUT2 PHASE BASS TO SPEAKERS INPUT1 FROM AMPLIFIER LOW HIGH AUTO STANDBY NOM REV MOVIE MUSIC OFF POWER ON OFF OUTPUT INPUT2 PHASE BASS TO SPEAKERS INPUT1 FROM AMPLIFIER LOW HIGH [...]
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8 ADJUSTING VOLUME Front panel 1 Set the VOLUME control to minimum (0). 2 T urn on the other components. 3 Press the ST ANDBY/ON button to turn on this unit. 4 Play any source and adjust the amplifier ’ s volume control to the desired listening level. 5 Adjust the HIGH CUT control according to the main speakers connected. Normally , set the contr[...]
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Page 9
9 English 20 50 100 200 500Hz 40 50 60 70 80 90 dB YST-SW90 Combined frequency response 20 50 100 200 500Hz 40 50 60 70 80 90 dB YST-SW160 Combined frequency response EX.1 When combined with a 4” or 5” (10 cm or 13 cm) acoustic suspension, 2 way system main speakers EX.2 When combined with an 8” or 10” (20 cm or 25 cm) acoustic suspension, [...]
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Page 10
10 The theory of Y amaha Active Servo T echnology has been based upon two major factors, the Helmholtz resonator and negative- impedance drive. Active Servo Processing speakers reproduce the bass frequencies through an “air woofer”, which is a port or opening in the speaker ’ s cabinet. This opening is used instead of, and performs the functi[...]
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11 English YST -SW160 T ype ................ Active Servo Processing Subwoofer System Speaker Unit .................... 20 cm (8”) cone woofer (JA2160) magnetic shielding type x 2 Amplifier Output ........................................... 150 W/5 ohms High-Cut Filter ......................... 40 Hz–140 Hz (–24 dB/oct.) Frequency Response ..[...]
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Page 12
12 Printed in Malaysia V304660 YAMAHA ELECTRONICS CORPORATION, USA 6660 ORANGETHORPE AVE., BUENA PARK, CALIF. 90620, U.S.A. YAMAHA CANADA MUSIC LTD. 135 MILNER AVE., SCARBOROUGH, ONTARIO M1S 3R1, CANADA YAMAHA ELECTRONIK EUROPA G.m.b.H. SIEMENSSTR. 22-34, 25462 RELLINGEN BEI HAMBURG, F.R. OF GERMANY YAMAHA ELECTRONIQUE FRANCE S.A. RUE AMBROISE CROI[...]