Casio 3109 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of Casio 3109, 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 3109 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 3109. 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 3109 should contain:
- informations concerning technical data of Casio 3109
- name of the manufacturer and a year of construction of the Casio 3109 item
- rules of operation, control and maintenance of the Casio 3109 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 3109 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 3109, 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 3109.

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 3109 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

    1 Operation Guide 3109 About This Manual • Depending on the model of your watch, display text appears either as dark figures on a light background or light figures on a dark background. All sample displays in this manual are shown using dark figures on a light background. • Button operations are indicated using the letters shown in the illustra[...]

  • Page 2

    2 Operation Guide 3109 World Time World T ime shows the current time in 30 cities (29 time zones) around the world. • All of the operations in this section are performed in the World T ime Mode, which you enter by pressing C . To view the time in another city code In the World T ime Mode, press D to scroll through city codes (time zones) to the e[...]

  • Page 3

    3 Operation Guide 3109 Stopwatch The stopwatch lets you measure elapsed time, split times, and two finishes. • The display range of the stopwatch is 23 hours, 59 minutes, 59.99 seconds. • The stopwatch continues to run, restarting from zero after it reaches its limit, until you stop it. • The stopwatch measurement operation continues even if [...]