Precautions
Safety Precautions
Thank you for purchasing this CASIO product.
Be sure to read the "Safety Precautions" before using this product to ensure that you use it correctly. Be sure to keep all user documentation handy for future reference.
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Button Type and Coin Type Battery Precautions (fx-991CW only)
Should a battery be swallowed accidentally or if there is a possibility that a battery has been swallowed, immediately contact a physician. |
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Display Screen
Doing so can cause the LCD glass to crack, creating the risk of personal injury.
LCD liquid getting on the skin creates the risk of skin irritation. |
Battery Precautions
Battery fluid getting into the eyes creates the risk of eyesight loss, etc. Rinse the eyes and then immediately contact a physician. |
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Observe the precautions below. Failure to do so can cause a battery to rupture, creating the risk of fire, personal injury, and soiling of nearby objects by leaking fluid.
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Use only the type of battery that is specified for this product. Do not burn a battery or dispose of it in an incinerator, or by mechanical crushing or cutting. Do not subject a battery to excessively high or low temperatures during use, storage, or transport. Do not subject a battery to excessively low barometric pressure during use, storage, or transport. |
Handling Precautions
fx-570CW: Even if the calculator is operating normally, replace the battery at least once every two years (R03).
fx-991CW: Even if the calculator is operating normally, replace the battery at least once every two years (LR44).
A dead battery can leak, causing damage to and malfunction of the calculator. Never leave a dead battery in the calculator. Do not try using the calculator while the battery is completely dead (fx-991CW).
You will be charged for malfunction or damage due to battery leakage, which is not covered by the warranty.
The battery that comes with the calculator discharges slightly during shipment and storage. Because of this, it may require replacement sooner than the normal expected battery life.
Avoid use and storage of the calculator in areas subjected to temperature extremes, and large amounts of humidity and dust.
Do not subject the calculator to excessive impact, pressure, or bending.
Never try to take the calculator apart.
Use a soft, dry cloth to clean the exterior of the calculator.
Whenever discarding the calculator or batteries, be sure to do so in accordance with the laws and regulations in your particular area.