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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of B&C Speakers Coaxials 15CXN76, 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.
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Unfortunately, only a few customers devote their time to read an instruction of B&C Speakers Coaxials 15CXN76. 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.
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First and foremost, an user manual of B&C Speakers Coaxials 15CXN76 should contain:
- informations concerning technical data of B&C Speakers Coaxials 15CXN76
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- safety signs and mark certificates which confirm compatibility with appropriate standards
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Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of B&C Speakers Coaxials 15CXN76 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 B&C Speakers Coaxials 15CXN76, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the B&C Speakers 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 B&C Speakers Coaxials 15CXN76.
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Table of contents for the manual
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Page 1
15CXN76 Coaxials LF Drivers LF Nd Drivers Coaxials HF Drivers Horns 800 W continuous program power capacity 80° nominal coverage 40 – 18000 Hz response 99 dB sensitivity Single Neodymium magnet assembly Specifications Nominal Diameter 380 mm (15 in) Nominal Impedance 8 ohm Minimum Impedance 6.0 ohm (LF) 8.0 ohm (HF) Frequency Range 40 - 18000 Hz[...]
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Page 2
2 Applied RMS Voltage is set to 2.83V for 8 ohms Nominal Impedance. 3 2 hours test made with continuous pink noise signal (6 dB crest factor) within the specified range . Power calculated on rated minimum impedance. Loudspeaker in free air. 4 Power on Continuous Program is defined as 3 dB greater than the Nominal rating. 5 Applied RMS Voltage is se[...]