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The rules should oblige the seller to give the purchaser an operating instrucion of Casio 2551, 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 Casio 2551 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 Casio 2551. 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 Casio 2551 should contain:
- informations concerning technical data of Casio 2551
- name of the manufacturer and a year of construction of the Casio 2551 item
- rules of operation, control and maintenance of the Casio 2551 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 Casio 2551 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 Casio 2551, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the Casio 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 Casio 2551.
Why one should read the manuals?
It is mostly in the manuals where we will find the details concerning construction and possibility of the Casio 2551 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
USER’S GUIDE 2551 1 Read This Before Y ou Set the Time and Date! The times displayed in the Timekeeping Mode and W orld Time Mode, and on the Mode Menu are linked. Because of this, make sure you select a city name for your Home City (the city where you normally use the watch) before you set the time and date. To set the time and date 1. In the T [...]
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Page 2
USER ’ S GUIDE 2551 2 Daylight Saving Time (DST) Daylight Saving T ime (summer time) advances the time setting by one hour from Standard T ime. Remember that not all countries or even local areas use Daylight Saving Time. To toggle the T imekeeping Mode time between DST and Standard Time 1. In the T imekeeping Mode, make sure that “ ” is loca[...]
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Page 3
USER ’ S GUIDE 2551 3 To recall e-DA T A MEMOR Y records In the e-DA T A MEMORY Mode, use keypad keys [2] through [9] to input the first letter of the record you want to recall. Y ou can also scroll through records using [=] (forward) and [1] (back). • Pressing a keypad key from [2] through [9] displays the first record whose first character ma[...]
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Page 4
USER ’ S GUIDE 2551 4 To toggle a city code time between Standard T ime and Daylight Saving Time 1. In the World T ime Mode, display the city code (time zone) whose Standard T ime/Daylight Saving T ime setting you want to change. 2. Hold down A for about two seconds to toggle between Daylight Saving T ime ( DST displayed) and Standard Tim e ( DST[...]
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Page 5
USER ’ S GUIDE 2551 5 To measure times with the stopwatch Elapsed Time Start Stop Re-start Stop Clear Start Split ( SPL displayed) Split release Stop Clear Start Split Stop Split release Clear Split Time Two Finishes First runner finishes. Display time of first runner. Second runner finishes. Display time of second runner. Backlight The backlight[...]
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Page 6
USER ’ S GUIDE 2551 6 Battery The indicator BA TT flashes on the display any time battery power is below a certain level. Low battery power can cause the following conditions to occur . • Dim, difficult-to-read display characters • Failure of the backlight and beeper tone operations • Inability to perform e-DA T A MEMORY and T elememo Mode [...]