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Replace the battery immediately when the display
characters are dim (even with a darker LCD display
contrast)
OR
when the following message appears on the
screen. Turn the calculator off and replace the lithium
battery immediately.
Please replace the lithium battery with the following
procedures:
1. Press to power off the calculator.
2. Remove the screw that securely fixes the battery cover
in place.
3. Remove battery cover.
4. Remove the old battery with the tip of a ball pen or
similar sharp object.
5. Load the new battery with positive “+” side facing up.
6. Replace the battery cover, screw, and press ,
to initialize the calculator.
Caution:
Risk of explosion if battery is replaced with
an incorrect type. Dispose of used battery
according to the instructions.
Electromagnetic interference or electrostatic discharge
may cause the display to malfunction or the contents of
the memory to be lost or altered. Should this occur,
press , to restart the calculator.
Advice and Precautions
• This calculator contains precision components such as
LSI chips and should not be used in places subject to
rapid variations in temperature, excessive humidity, dirt
or dust, or exposed to direct sunlight.
• The liquid crystal display panel is made of glass and
should not be subjected to excessive pressure.
• When cleaning the device, do not use a damp cloth or
volatile liquid such as paint thinner. Instead, use only a
soft, dry cloth.
• Do not under any circumstances dismantle this device. If
you believe that the calculator is not functioning
properly, either bring or mail the device together with the
warranty to a Canon Business Office service
representative.
• Never dispose the calculator improperly such as
burning; it can create risks of personal injury or harm.
You are suggested to dispose this product according to
your national law.
• Replace the battery once every two years even if it is
not used frequently.
Battery Caution!
• Keep the battery out of the reach of children. If the
battery is swallowed, contact a doctor immediately.
• Misuse of the battery may cause leakage, explosion,
damages, or personal injury.
• Do not recharge or disassemble the battery, it could
cause a short circuit.
• Never expose the battery to high temperatures, direct
heat, or dispose by incineration.
• Never leave a dead battery in the calculator as the dead
battery may leak and cause damage to the calculator.
• Continued use of the calculator in the low battery
condition may result in improper operation or the stored
memory may be corrupted or lost completely. Keep the
written records of important data all the time; and
replace the battery as soon as possible.
