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The rules should oblige the seller to give the purchaser an operating instrucion of Casio 2821, 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 2821 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 2821. 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 2821 should contain:
- informations concerning technical data of Casio 2821
- name of the manufacturer and a year of construction of the Casio 2821 item
- rules of operation, control and maintenance of the Casio 2821 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 2821 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 2821, 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 2821.
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 2821 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
Operation Guide 2548/2821 1 MA0309-EA About This Manual • The operational procedures for Modules 2548 and 2821 are identical. All of the illustrations in this manual show Module 2548. • Button operations are indicated using the letters shown in the illustration. • Each section of this manual provides you with the information you need to perfo[...]
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Page 2
Operation Guide 2548/2821 2 To recall e-DA T A MEMOR Y records In the e-DA T A MEMOR Y Mode, use D (+) and B ( – ) to cycle through e-DA TA MEMORY records as shown below . Press . Press . Remaining memory screen Record 1 () Record 2 () Password setting screen Remaining Memory Screen Password Setting Screen • The value on the remaining memory sc[...]
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Page 3
Operation Guide 2548/2821 3 To use the countdown timer Press D while in the Countdown T imer Mode to start the countdown timer . • When the end of the countdown is reached and auto-repeat is turned off, the alarm sounds for 10 seconds or until you stop it by pressing any button. The countdown time is automatically reset to its starting value afte[...]
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Page 4
Operation Guide 2548/2821 4 More than 40 ° Parallel to ground About the Auto Light Switch Turning on the auto light switch causes the backlight to turn on for about one second, whenever you position your wrist as described below in any mode. Moving the watch to a position that is parallel to the ground and then tilting it towards you more than 40 [...]