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A good user manual
The rules should oblige the seller to give the purchaser an operating instrucion of Casio FX-9860G, 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 FX-9860G 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 FX-9860G. 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 FX-9860G should contain:
- informations concerning technical data of Casio FX-9860G
- name of the manufacturer and a year of construction of the Casio FX-9860G item
- rules of operation, control and maintenance of the Casio FX-9860G 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 FX-9860G 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 FX-9860G, 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 FX-9860G.
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 FX-9860G 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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fx-9860G S lim H ardw are User’ s Guide E CASIO W orldwide Education W ebsite http://edu.casio .com CASIO EDUCA TIONAL FOR UM http://edu.casio .com/f orum/[...]
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GUIDELINES LAID DOWN BY FCC R ULES FOR USE OF THE UNIT IN THE U .S.A. (not appli- cable to other areas). NO TICE This equipment has been tested and found to comply with the limits f or a Class B digital device , pursuant to Part 15 of the FCC Rules. These limits are designed to pro vide reasonable protection against harmful interference in a reside[...]
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BEFORE USING THE CALCULA TOR FOR THE FIRST TIME... Batteries are not loaded in your calculator at the f actor y . Be sure to f ollow the procedure below to load batteries and adjust the displa y contrast bef ore tr ying to use the calculator for the fi rst time. 1. Remo ve the battery cov er on the back of the calculator . • While pressing on ba[...]
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4. Replace the battery cover . 5. Press the P b utton on the back of the calculator . Important! • Ne ver use a toothpic k, pencil, or any other object whose tip may break off easily . Doing so can lead to malfunction. P button 6. Hook your fi nger at the center of the calculator’ s panels, and open them up . • This will displa y the Main Me[...]
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20070201 Pr ecautions when Connecting to a Computer A special USB driver must be installed on y our computer in order to connect to the calculator . The driver is installed along with the Prog ram-Link software (F A-124) that comes bundled with the calculator . Be sure to install the Program-Link software (F A-124) on your computer before trying to[...]
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20070201 Handling Pr ecautions • Y our calculator is made up of precision components. Nev er tr y to take it apar t. • A void dropping your calculator and subjecting it to strong impact. • Do not store the calculator or leav e it in areas exposed to high temperatures or humidity , or large amounts of dust. When e xposed to low temperatures, t[...]
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20070201 Be sure to keep physical recor ds of all impor tant data! Low battery power or incorrect replacement of the batteries that power the unit can cause the data stored in memory to be corr upted or ev en lost entirely . Stored data can also be affected by strong electrostatic charge or strong impact. It is up to you to keep back up copies of d[...]
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20070201 Contents 1 Ke y Lay out 2 Using the Backlight 3 Specifi cations 4 P Button (In case of hang up) 5 P ower Supply[...]
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20070201 1 Ke y La y out 1-1 K ey Lay out[...]
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20070201 2-1 Using the Backlight 2 Using the Bac klight Y our calculator is equipped with a backlight f or easy reading, even in the dark. Y ou can conserve batter y power b y limiting backlight operation to only when you need it. u T o turn on the backlight • Press ] (LIGHT) to turn on the backlight. • Backlight duration The backlight turns of[...]
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20070201 3-1 Specifi cations 3 Specifi cations V ariables: 28 Calculation range: ± 1 × 10 –99 to ± 9.999999999 × 10 99 and 0. Inter nal operations use 15-digit mantissa. Exponential displa y range: Nor m 1: 10 –2 > | x |, | x | > 10 10 Norm 2: 10 –9 > | x |, | x | > 10 10 Program capacity: 63000 bytes (max.) Storage memory c[...]
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20070201 Data Communications 3-pin serial port Method: Star t-stop (asynchronous), half-duplex T ransmission speed (BPS): 115200 bits/second (normal) 9600 bits/second (When connected to CFX-9850/fx-7400 series; Send/Receive commands) 38400 bits/second (Send38k/Receiv e38k commands) < 115200 bits/second > Parity: EVEN Bit length: 8 bits Stop b[...]
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20070201 4 P Button (In case of hang up) Pressing the P button resets the calculator to its initial def aults. P button W arning! Ne ver perform this operation unless you w ant to totally clear the memor y of the calculator. If you need the data currently stored in memory , be sure to wr ite it down some where before performing the P button oper at[...]
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20070201 5 P ower Supply This calculator is pow ered by two AAA-siz e (LR03 (AM4)) batter ies. If the f ollowing message appears on the display , immediately turn off the calculator and replace the batteries as instructed. If you try to continue using the calculator , it will automatically tur n off in order to protect memory contents. Y ou will no[...]
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20070201 k Replacing Batteries Precautions: Incorrectly using batteries can cause them to burst or leak, possib ly damaging the interior of the calculator . Note the following precautions: • Be sure that the positive (+) and negativ e (–) poles of each batter y are facing in the proper directions. • Nev er mix batteries of different types. ?[...]
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20070201 5-3 P ower Supply 1. Press !o (OFF) to tur n off the calculator . 2. T o ensure that you do not press the o k ey accidentally while replacing batteries, fold the calculator shut. 3. Remov e the batter y cover on the bac k of the calculator . • While pressing on batter y cover at the point marked 1 , slide it in the direction of the arrow[...]
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20070201 5-4 P ower Supply # If the fi gures on the display appear too light and hard to see after you turn on power , adjust the contrast. 6. Check to make sure that the springs are not stic king out to the side and that the batteries are not sliding out of position. Batteries loaded correctly . 7. Replace the batter y cov er . 8. Press the P but[...]
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CASIO Europe GmbH Bornbarch 10, 22848 Norderstedt, Germany This mark applies in EU countr ies only .[...]
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CASIO COMPUTER CO ., L TD . 6-2, Hon-machi 1-chome Shibuya-ku, T okyo 151-8543, Japan One or more of the following patents may be used in the pr oduct. U.S.Pats. 5,166,897 5,210,708 5,535,317 5,539,867 SA0702-A[...]