23Introduction
• The battery may become warm during charging and during normal
use. This is normal.
• Charge the battery in environments with an ambient temperature
of 10
°
C to 35
°
C (50
°
F to 95
°
F).
• Battery charging will not start if the internal temperature of the
battery is below 0
°
C (32
°
F) or above 50
°
C (122
°
F).
• The product prevents overcharging of the battery by charging only
when the remaining battery power is less than approximately 95 %
of its full capacity.
• If the product will not be used for an extended period (i.e., a month
or more), charge or discharge (use) the battery until the remaining
battery level becomes 30 % to 40 % and then store the product in
a cool, dry place.
• Store the battery in environments with an ambient temperature of -
20
°
C to 35
°
C (-4
°
F to 95
°
F). If the battery is stored in other
environments, battery performance and battery life may be
reduced.
• If battery charging is not completed after the specified charging
time has passed, remove the battery from the unit. The battery
protection device may be damaged.
• Do not touch the terminals of the battery. Failure to observe this
may cause poor contact.
• If the terminals of the battery become clogged with foreign matter,
it may be difficult to remove the foreign matter and may result in
damage to the unit.
• When storing or transporting the battery, make sure that the
battery's terminals do not become dirty and that no foreign objects
or debris become attached to the battery's terminals.
Maintenance
• If the product becomes wet or dirty, wipe the affected areas with a
soft cloth, then shake out the liquid from the product. Liquid that
remains on the surface of the screen may cause staining.
• Do not dry the product with an appliance or heat source such as a
microwave oven or dryer.
• For typical cleaning, wipe the product with a soft, dry cloth, such as
gauze. An alcohol-based disinfectant may be used if necessary.
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