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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Datexx DB-413, 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 Datexx DB-413 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 Datexx DB-413. 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 Datexx DB-413 should contain:
- informations concerning technical data of Datexx DB-413
- name of the manufacturer and a year of construction of the Datexx DB-413 item
- rules of operation, control and maintenance of the Datexx DB-413 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 Datexx DB-413 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 Datexx DB-413, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Datexx 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 Datexx DB-413.
Why one should read the manuals?
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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
3 Memory Bank Account Calculator Owner's Manual Please read before using this equipment www .datexx.com Features Y our Datexx 3 Memory Bank Account Calculator makes balancing your checkbook quick and easy . The calculator keeps track of your checking account as you deposit or withdraw money from the account, and lets you perform additional cal[...]
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Page 2
SETTING THE TIME 1. Hold down the CLOCK SET ( % ) about 3 seconds, until the first digit of the month flashes. 2. Press + to select 12-or 24 hour format. AM or PM appears to the left of the time to indicate 12-hour format. Press to toggle between AM or PM in 12- hour format. 3. Enter the correct month, date, year , and time, then press =. Notes: Re[...]
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Page 3
For Example: (4 x 5) + (28 + 2) - (7 - 2) + (75 5) Y ou Press Y ou See 4 x 5 M+ 28 + 2 M+ 7 - 2 M- 75 5 M+ MRC MEMORY 20 MEMORY 30 MEMORY 5 MEMORY 15 MEMORY 60 Note: MEMOR Y appears on the left bottom of the dis- play when a value is stored in memory . MEMOR Y dis- appears when you clear the memory . ACCOUNT FUNCTIONS The Bank Account Calculator&ap[...]
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Page 4
Replacing the Batteries Y our 3 Memory Bank Account Calculator uses two type 386A batteries for power . If the display dims, fol- low these steps to replace the batteries. Note: Y ou must replace the batteries within 3 minutes to retain all balance records, date, and time. Make a note of the balance before you begin. 1. Make sure the calculator is [...]