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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of D-Link DSB-H4, 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 D-Link DSB-H4 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 D-Link DSB-H4. 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 D-Link DSB-H4 should contain:
- informations concerning technical data of D-Link DSB-H4
- name of the manufacturer and a year of construction of the D-Link DSB-H4 item
- rules of operation, control and maintenance of the D-Link DSB-H4 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 D-Link DSB-H4 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 D-Link DSB-H4, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the D-Link 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 D-Link DSB-H4.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the D-Link DSB-H4 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
DSB - H4 4 - port USB Hub User ’ s Manual Rev. 01 (Oct. 2000) Printed In China[...]
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Page 2
2 T ABLE OF C ONTENTS Introduction ........................................................................ 1 Technology Overview .......................................................... 1 About D - Link DSB - H4 – Your Unlimited USB Hub ................. 1 Features ............................................................................ 2 [...]
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Page 3
Introduction Welcome to the Universal Serial Bus (USB) HUB, an easy plug and play external simple device that allowed your computer to connect to USB interfaced monitors, printers, digita l speakers, modems, digital camera, joystick or multimedia equipment. Technology Overview USB stands for Universal Serial Bus. It is a standard that has been adop[...]
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Page 4
4 ? ? All Downstream Ports support full - speed and low - speed operations ? ? Reset by Upstream attachment or programmable reconfigure. ? ? Downstream port LEDs: Indicating Power and Active on - off. ? ? Self - powered mode: Shutdown system power no nee d to disconnect the power adaptor power consumption only 3mA for Red power LED. ? ? Supports Se[...]
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Page 5
5 Hardware Installation I. First of all , please insert the plug of the power adapter into the power jack of DSB - H4 II. Connect the series - A connector (please refer to the Figure - 1) of the USB cable into the downstream port of PC USB host controller or one downstream port of the upper level (parent) hub. III. Connect the series - B connector [...]
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Page 6
6 Application Diagram[...]