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Handling Precautions
• 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 batteries once every one year 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.
• Do not use an oxyride battery or any other type of nickel-based primary battery with this product.
Incompatibility between such batteries and product specifi cations can result in shorter battery
life and product malfunction.
• Keep batteries out of the reach of small children. If swallowed, consult 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 moistened with 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 profi ts, lost savings or any other damages arising out of loss of data
and/or formulas arising out of malfunction, repairs, or battery replacement. It is up to you to
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.
• 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 insuffi cient battery power, programming or operational errors.