Cable Electronics HM21DA manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Cable Electronics HM21DA, 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 Cable Electronics HM21DA 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 Cable Electronics HM21DA. 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 Cable Electronics HM21DA should contain:
- informations concerning technical data of Cable Electronics HM21DA
- name of the manufacturer and a year of construction of the Cable Electronics HM21DA item
- rules of operation, control and maintenance of the Cable Electronics HM21DA 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 Cable Electronics HM21DA 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 Cable Electronics HM21DA, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Cable Electronics 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 Cable Electronics HM21DA.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the Cable Electronics HM21DA 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

  • Page 1

    W ARRANTY Cable Electronics, Inc. warrants this product to be free from defects in material and workmanship, under normal use and service, for a period of one year from the purchase by the original purchaser . If this product is defective or malfunctions, Cable Electronics will replace or repair this unit (at their option) within a reasonable time.[...]

  • Page 2

    Pin # Signal Pin # Signal 1 TMDS Data 2+ 1 1 TMDS Clock Shield 2 TMDS Data 2 Shield 12 TMDS Clock - 3 TMDS Data 2- 13 CEC 4 TMDS Data 1+ 14 Reserved (N.C.) 5 TMDS Data 1 Shield 15 SCL 6 TMDS Data 1- 16 SDA 7 TMDS Data 0+ 17 DDC/CEC Ground 8 TMDS Data 0 Shield 18 +5 Power 9 TMDS Data 0- 19 Hot Plug Detect 10 TMDS Clock+ Inst allation / Operation Ins[...]