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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Nilfisk-ALTO PS 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 PS 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 PS 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 PS Series should contain:
- informations concerning technical data of Nilfisk-ALTO PS Series
- name of the manufacturer and a year of construction of the Nilfisk-ALTO PS Series item
- rules of operation, control and maintenance of the Nilfisk-ALTO PS 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 PS 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 PS 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 PS 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 PS 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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Page 1
LTO R www .altoproaudio.com V ersion 1.0 Januar y 2004 English User's Manual PS Series[...]
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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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Page 3
T ABLE OF CONTENT 2 1. QUICK ST ART - P ASSIVE SPEAKER CABINET ............................................................................ ........3 -. For Passive Full-range Speakers 2. QUICK ST ART - ACTIVE SPEAKER CABINET .....................................................................................4 -. For Active Speaker Cabinets 3. CON[...]
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Page 4
1. QUICK ST ART - P ASSIVE SPEAKER CABINET -. For Passive Full-range Speakers QUICK ST ART PS Passive Full-range Speakers 3 Stereo Power Amplifier Speaker Cable T ripod Mount Left Main Mix Output Right Main Mix Output Mixer T ripod Mount Speaker Cable Make all initial connections with all the equipment powered off, and ensure that all the main volu[...]
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Page 5
2. QUICK ST ART - ACTIVE SPEAKER CABINET 3). T urn on your mixer first, then the active speaker cabinets. -. For Active Speaker Cabinets QUICK ST ART PS Active Full-range Speakers 4 Signal Cable Power Cord T ripod Mount Main Mix Left Output Mixer T ripod Mount Power Cord Right Output Main Mix Signal Cable Make all initial connections with all the e[...]
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Page 6
5 3. CONNECTION PLA TE - P ASSIVE FULL-RANGE SPEAKER PS 4H (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). (1) (2) INPUT THRU LINK SOUND REINFORCEMENT SPEAKER SYSTEM POW[...]
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Page 7
6 - P ASSIVE FULL-RANGE SPEAKER PS 4L (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). -. ACTIVE SPEAKER CABINET PS 4LA (1) BI-POLAR MAIN POWER SWITCH (2) AC POWER SOCKET[...]
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7 (1) (2) INPUT THRU LINK SOUND REINFORCEMENT SPEAKER SYSTEM POWER HANDLING : AES - 120 Watts PEAK - 240 Watts IMPEDANCE: 8 ohms nominal DESIGNED AND DEVELOPMENT IN ITAL Y SERIAL MODEL LTO R PS 3 - P ASSIVE FULL-RANGE SPEAKER PS 3 (1) INPUT : Receive the power coming from an external power amplifier (SPK +1/-1 connected; +2/-2 not connected). (2) T[...]
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Page 9
8 4. WIRE CONNECTIONS 1+ 2+ 1- 2- -. For Active Speaker Cabinets Unbalanced Balanced Tip Ring Sleeve Tip Ring Sleeve Tip Ring Sleeve 1 2 3 1 2 3 1 2 3 TIP RING SLEEVE SLEEVE RING TIP TIP RING SLEEVE 21 3 1 2 3 1 2 3 Tip Ring Sleeve Tip Ring Sleeve Tip Sleeve Tip Sleeve 1 2 3 1 2 3 TIP SLEEVE TIP RING SLEEVE[...]
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9 6. TECHNICAL SPECIFICA TIONS Descriptions PS4LA Active PS3A Active Active System type Bi-Amp. with analog processor Bi-Amp. with analog processor LOW - RMS Output Power 150W RMS Class AB 70W RMS Class AB HIGH - RMS Output Power 50W RMS Class AB 50W RMS Class AB Max SPL at 1m 1 18.5dB SPL calculated 1 15.5dB SPL calculated Frequency Response 55Hz [...]
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NF01702-1.1 SEIKAKU TECHNICAL GROUP LIMITED No. 1, Lane 17, Sec. 2, Han Shi W . Road, T aichung, 401 T aiwan http://www .altomobile.com T el: 886-4-22313737 email: info@altomobile.com Fax: 886-4-22346757 All rights reserved to AL T O Mobile. Due to continued development in response to customer feedback, product features, specifications and/or inter[...]