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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Philips SA5512, 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 Philips SA5512 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 Philips SA5512. 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 Philips SA5512 should contain:
- informations concerning technical data of Philips SA5512
- name of the manufacturer and a year of construction of the Philips SA5512 item
- rules of operation, control and maintenance of the Philips SA5512 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 Philips SA5512 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 Philips SA5512, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Philips 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 Philips SA5512.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Philips SA5512 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
Philips Semiconductors Linear Products Product specification NE/SA/SE5512 Dual high-performance operational amplifier 78 August 31, 1994 853-0948 13721 DESCRIPTION The 5512 series of high-performance operational amplifiers provides very good input characteristics. These amplifiers feature low input bias and voltage characteristics such as a 108 op [...]
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Page 2
Philips Semiconductors Linear Products Product specification NE/SA/SE5512 Dual high-performance operational amplifier August 31, 1994 79 ABSOLUTE MAXIMUM RA TINGS SYMBOL P ARAMETER RA TING UNIT V CC Supply voltage ± 16 V P D MAX Maximum power dissipation, T A =25 ° C (still air) 1 N package 1212 mW D package 800 mW T A Operating ambient temperatu[...]
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Page 3
Philips Semiconductors Linear Products Product specification NE/SA/SE5512 Dual high-performance operational amplifier August 31, 1994 80 ELECTRICAL PERFORMANCE CHARACTERISTICS V CC = ± 15V , T A = 25 ° C over temperature range, unless otherwise specified. SYMBOL P ARAMETER TEST CONDITIONS SE5512 NE/SA5512 UNIT SYMBOL P ARAMETER TEST CONDITIONS Mi[...]
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Page 4
Philips Semiconductors Linear Products Product specification NE/SA/SE5512 Dual high-performance operational amplifier August 31, 1994 81 EQUIV ALENT SCHEMA TIC V+ OUTPUT -V -V IN (ONE OP AMP) +V IN[...]