Manual Casio cfx 9850gcplus graphic calculator (page 21 of 28) (English)

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•Your calculator is made up of precision components. Never try to take it apart.

•Avoid dropping your calculator and subjecting it to strong impact.

•Do not store the calculator or leave it in areas exposed to high temperatures or humidity, or large

amounts of dust. When exposed to low temperatures, the calculator may require more time to

display results and may even fail to operate. Correct operation will resume once the calculator is

brought back to normal temperature.

• The display will go blank and keys will not operate during calculations. When you are operating the

keyboard, be sure to watch the display to make sure that all your key operations are being performed

correctly.

•Replace the main batteries once every 2 years regardless of how much the calculator is used during

that period. Never leave dead batteries in the battery compartment. They can leak and damage the

unit.

•Keep batteries out of the reach of small children. If swallowed, consult with a physician immediately.

•Avoid using volatile liquids such as thinner or benzine to clean the unit. Wipe it with a soft, dry cloth,

or with a cloth that has been dipped in a solution of water and a neutral detergent and wrung out.

•Always be gentle when wiping dust off the display to avoid scratching it.

•In no event will the manufacturer and its suppliers be liable to you or any other person for any

damages, expenses, lost profits, lost savings or any other damages arising out of loss of data and/or

formulas arising out of malfunction, repairs, or battery replacement. The user should prepare

physical records of data to protect against such data loss.

•Never dispose of batteries, the liquid crystal panel, or other components by burning them.

•When the “Low battery!” message appears on the display, replace the main power supply batteries

as soon as possible.

•Be sure that the power switch is set to OFF when replacing batteries.

• If the calculator is exposed to a strong electrostatic charge, its memory contents may be damaged or

the keys may stop working. In such a case, perform the Reset operation to clear the memory and

restore normal key operation.

• If the calculator stops operating correctly for some reason, use a thin, pointed object to press the P

button on the back of the calculator. Note, however, that this clears all the data in calculator memory.

•Note that strong vibration or impact during program execution can cause execution to stop or can

damage the calculator’s memory contents.

•Using the calculator near a television or radio can cause interference with TV or radio reception.

•Before assuming malfunction of the unit, be sure to carefully reread this user’s guide and ensure that

the problem is not due to insufficient battery power, programming or operational errors.

Handling Precautions

xix

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Casio cfx 9850gcplus graphic calculator Manual

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