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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of PHL Audio 4550, 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 PHL Audio 4550 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 PHL Audio 4550. 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 PHL Audio 4550 should contain:
- informations concerning technical data of PHL Audio 4550
- name of the manufacturer and a year of construction of the PHL Audio 4550 item
- rules of operation, control and maintenance of the PHL Audio 4550 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 PHL Audio 4550 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 PHL Audio 4550, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the PHL Audio 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 PHL Audio 4550.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the PHL Audio 4550 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
E30 APPLICA TIONS These 12”high efficiency - high sounding quality low-midrange drivers have been designed to perform well in the 60Hz - 2500 Hz frequency domain where human hearing is so sensitive. They can equip two-way or multi-way sound reinforcement systems of small to medium throw, when AES power handling does not exceed 250W. Recovery with[...]
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Page 2
Ø 307 max. Ø 281.5 max. Ø 326.5 max (on angles) + Red dot 13 124.5 max. 2 x screw button terminals 8 x Ø 6.5 Holes eq. spaced on Ø 300 and on Ø 308 Ø 173 max. 4550 4560 TYPICAL CHARACTERISTICS Rated impedance Z 8 16 Ω Reference efficiency (1 W@1 m) - 98 98 dB SPL Usable frequency range 1 - 60-3000 60–3000 Hz Power handling capacity 2 (AE[...]