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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Sennheiser HD525, 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 Sennheiser HD525 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 Sennheiser HD525. 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 Sennheiser HD525 should contain:
- informations concerning technical data of Sennheiser HD525
- name of the manufacturer and a year of construction of the Sennheiser HD525 item
- rules of operation, control and maintenance of the Sennheiser HD525 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 Sennheiser HD525 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 Sennheiser HD525, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sennheiser 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 Sennheiser HD525.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Sennheiser HD525 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
HD 525 GEBRAUCHSANLEITUNG INSTRUCTIONS FOR USE NOTICE D‘EMPLOI ISTRUZIONI PER L‘USO INSTRUCCIONES PARA EL USO GEBRUIKSAANWIJZING[...]
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Page 2
HD 525 MERKMALE • High Quality Hifi - Stereo - Kopfhörer • Funktionales, fortschrittliches Design nach ergonomischen Gesichtspunkten • Neodymmagnete für kraftvolle Dynamik • Extrem leichte Cu-Antriebsspulen für hohe Impulstreue • Duofol-Membran zur Verminderung von Partialschwingungen • Frische tonale Abstimmung, druckvoller Baß - f[...]
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Page 3
HD 525 TECHNICAL DATA Frequency response 20 Hz - 23,000 Hz Acoustic principle dynamic, open Frequency curve diffuse-field luodness equalization Nominal impedance 150 Ω Sound pressure 94 dB at 1 kHz Power handling capacity 0.2 W (DIN 45 582) THD < 0.25 % (DIN 45 500) Sound coupling to the ear around the ears (circumaural) Headband caliper press[...]
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Page 4
HD 525 CARACTÉRISTIQUES TECHNIQUES Bande passante 20 Hz - 23.000 Hz Principe acoustique dynamique, casque ouvert Courbe de fréquence avec désaccentuatuin de volume en champs diffus Impédance nominal 150 Ω Pression acoustique caractéristique 94 dB, caractéristique pour 1 kHz Puissance admissible 0,2 W (DIN 45 582) Taux de distorsion harmoniq[...]
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Page 5
HD 525 DATI TECNICI Gamma di frequenza 20 Hz - 23.000 Hz Principio di funzionamento dinamica, aperto Risposta in frequenza compensazione mediante volume in campo diffuso Impedenza nominale 150 Ω Livello di pressione acustica a 1 kHz 94 d B / 1 k Hz Carico nominale ammesso 0,2 W (DIN 45 582) Coefficiente di distorsione < 0,25 % (DIN 45 500) Ada[...]
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Page 6
HD 525 DATOS TÉCHNICOS Gama de frecuencias 20 Hz - 23.000 Hz Principio acústico dinámico, abierto Respuesta en frecuencia igualación determinada por el volumen en el campo difuso Impedancia nominal 150 Ω Presión acústica caracteristica a 1 kHz 9 4 d B / 1 k H z Potencia admisible 0,2 W (DIN 45 582) Tasa de distorsión < 0,25 % (DIN 45 50[...]
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Page 7
HD 525 TECHNISCHE GEGEVENS frequentie weergave: 20 Hz - 23.000 Hz omzet principe: dynamisch en open frequentiegang diffuusveld, loudness en equalisatie nominale impedantie: 150 Ω geluidsdruk voor 1 kHz: 94 dB / 1 kHz nominale belastbaarheid 0,2 W volgens DIN 45582 vervormingsfaktor: < dan 0,25 %, volgens DIN 45500 koppelmethode: rondom de oren[...]
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Page 8
Sennheiser Irland GmbH D 30900 Wedemark Printed in Ireland Publ. 59821 10/96 A03 Hörer aufsetzen und einrichten Put on the headphone and adjust the headband Mettre les écouteurs et ajuster l'arceau du casque Applicare e preparare la cuffia Poner y instalar el casco Koptelefoon opzetten en instellen Beim Hören Hände nicht an die Kapseln leg[...]