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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Sony XR-C550W, 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 Sony XR-C550W 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 Sony XR-C550W. 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 Sony XR-C550W should contain:
- informations concerning technical data of Sony XR-C550W
- name of the manufacturer and a year of construction of the Sony XR-C550W item
- rules of operation, control and maintenance of the Sony XR-C550W 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 Sony XR-C550W 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 Sony XR-C550W, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Sony 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 Sony XR-C550W.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Sony XR-C550W 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/Connections Instalación/Conexiones ### FM / MW / SW Cassette Car Ster eo Mark position for the supplied screw. Use the screw hole on the mounting hardware !¡ to mark the position. Marque la posición para los tornillos suministrados. Para ello, utilice los orificios para tornillos de la ferretería de montaje !¡ . ####### ##########[...]
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Page 2
TOP Installation Precautions • Do not tamper with the four holes on the upper surface of the unit. They are used for tuner adjustments to be made only by service technicians. • If you mount other Sony equipment with this unit, it is better to mount this unit in the lower position. • There must be a distance of at least 15 cm between the casse[...]
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Page 3
Caution • This unit is designed for negative earth 12 V DC operation only. • Before making connections, disconnect the earth terminal of the car battery to avoid short circuits. • Connect the yellow and red power input leads only after all other leads have been connected. • Be sure to connect the red power input lead to the positive 12 V po[...]
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Page 4
Connection example Ejemplo de conexiones ### Rear speakers Altavoces traseros ### Front speakers Altavoces delanteros ### FRONT LINE OUT BUS CONTROL I N REAR LINE OUT REMOTE IN Fuse (10 A) Fusible (10 A) ### ANT from car antenna a la antenna del automóvil ### 9 Blue/white striped Azul con raya blanca ### Max. supply current 0.3 A Corriente máx. d[...]