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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Nilfisk-ALTO MS Series, 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 Nilfisk-ALTO MS Series 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 Nilfisk-ALTO MS Series. 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 Nilfisk-ALTO MS Series should contain:
- informations concerning technical data of Nilfisk-ALTO MS Series
- name of the manufacturer and a year of construction of the Nilfisk-ALTO MS Series item
- rules of operation, control and maintenance of the Nilfisk-ALTO MS Series 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 Nilfisk-ALTO MS Series 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 Nilfisk-ALTO MS Series, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Nilfisk-ALTO 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 Nilfisk-ALTO MS Series.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Nilfisk-ALTO MS Series 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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MS Series User's Manual LTO R www .altoproaudio.com V ersion 1.0 March 2006 English[...]
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1 SAFETY INSTRUCTIONS 1. Read Instructions All the safety and operation instructions should be read before using the product and retain them for future reference. 2. W ater & Moisture This product should not be used near water and will be protect from atmospheric agents in fixed or temporary installations. 3. Heat This product should be situate[...]
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2 T ABLE OF CONTENTS 1. INTRODUCTION.......................................................................................................................................................3 2. FEA TURES.....................................................................................................................................................[...]
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3 1. INTRODUCTION Thank you for purchasing L TO MS series speaker system. This series includes MS series cabinet and L TO MS1 speaker modeller . MS series cabinet is specifically designed for use in hi-quality performance site and the precise sound reinforcement commercial place. It includes five full range cabinets (MS12, MS15, MS152, MS153, and M[...]
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4 2. FEA TURES T rapezium configuration decreases the resonance of the standing wave in the cabinet. The cabinet uses hi-density matrix spray-paint technics The bottom bracket design makes mounting quickly and flexibly . HF compression driver and vented LF for fully professional performance. Steep slope of 12dB/octave crossover for a cleaner signal[...]
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QUICK ST ART MS Passive Full-range Speakers Stereo Power Amplifier speaker cable T ripod Mount Left Main Mix Output Right Main Mix Output Mixer T ripod Mount speaker cable 5 3 . QUICK ST ART Make all initial connections with all the equipment powered off, and ensure that all the main volume controls are turned completely down. -. For Passive Full-r[...]
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6 -. For Passive Subwoofer & Satellite Speakers 1). Connect one side of speaker cable to the Output CHA/CHB or Binding Post of your stereo power amplifier and the other side to the Input socket of your subwoofer , with the second speaker cable connect the Output of the subwoofer to the Input of satellite. 2) Connect the input terminal of L TO M[...]
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7 4. CONTROL ELEMENTS 4.1MS SERIES CABINET - P ASSIVE FULL-RANGE Speaker for MS12 / MS15 / MS152 / MS153/MS154 (1) INPUT : Receive the power coming from an external power amplifier (SPK +1/-1 connected; +2/-2 not connected). (2) THRU: Direct LINK for connect in parallel a second speaker cabinet (SPK +1/-1 connected; +2/-2 not connected). - P ASSIVE[...]
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8 4.2 L TO MS1 SPEAKER MODELLER - THE FRONT P ANEL 1. Gain Control This control adjusts the input gain by a range of -20 dB to +20dB. 2. Clip LED This LED lights up when the input signal is too strong. It warns that the output signal may cause distortion. Please attenuate the level of the input signal. 3. Presets Selector Via this knob, you can sel[...]
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9 5. INST ALLA TION AND CONNECTION 5.1 For MS Series Cabinets Please use only the power connectors to make connections with other signal source equipment for the MS series cabinets. The power connector has four terminals: 1+, 1-, 2+, 2-. In our cabinets, only 1+/1- are used to connect the Speaker+/Speaker-, and 2+/2- are not used. 5.2 For L TO MS1 [...]
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10 6. TECHNICAL SPECIFICA TION 6.1 MS1 SPEAKER TECHNICAL SPECIFICA TION Model Item MS12 MS15 2-way vented box 200W att AES Standard 400W att Peak 1 19dB SPL calculated 65Hz / 20kHz at -10dB 8 Ohm 2k5Hz / 12dB/Oct Electronic Dynamic Protection 12" woofer / 2" voice coil 1" Neodymium Driver / 1" voice coil 90 H x 60 V Elliptical h[...]
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Model Item 11 MS153 3-way vented box 400W att AES Standard 800W att Peak 123dB SPL calculated 50Hz / 20kHz at -10dB 8 Ohm or 4 Ohm 700Hz - 3kHz / 12dB/Oct Electronic Dynamic Protection 15" woofer / 2.5" voice coil 8" midrange / 2" voice coil 1" Neodymium Driver / 1" voice coil 90 H x 60 V 2 x SPK4 @ Power Input / Link [...]
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12 7.2 L TO MS1 TECHNICAL SPECIFICA TION AUDIO INPUT Connectors 1/4" jack T ype R filtered, servo balanced input Impedance 30 Kohm balanced, 22 Kohm unbalanced Max. input level +26 dBu balanced and Unbalanced CMRR T yp.40db,>55db@1khz AUDIO OUTPUT Connectors 1/4" jack T ypebalanced Min. output impedance 100 Ohm Max. output level +26 dB[...]
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No. 1, Lane 17, Sec. 2, Han Shi West Road, T aichung 40151 T aiwan http://www .altoproaudio.com T el: 886-4-22313737 email: alto@altoproaudio.com Fax: 886-4-22346757 c All rights reserved to AL TO. All features and content might be changed without prior notice. Any photocopy , translation, or reproduction of part of this manual without written perm[...]