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Do not subject to strong impact to the product such as dropping, throwing
or stepping it. Doing so might cause a fault.
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Do not put the product directly on sand at a beach, etc. Sand or other small
particles might get inside the earpiece, mouthpiece, speaker section or
earphone/microphone jack causing the volume to drop. If sand gets inside
the product, it might cause overheating or a fault.
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Touch panel
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Placing stickers or sheets (e.g. commercially available protective films,
peep prevention sheets) on the display might hinder correct operation of
the touch panel.
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When carrying the product in your pocket or bag, take care not to put the
touch panel close to metals or other conductive materials, as it might cause
false operation of the touch panel.
●
The touch panel is designed to be lightly touched by fingers. Do not apply
strong pressure with your fingers or sharp-pointed objects (such as
ballpoint pens and pins) on the touch panel.
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Internal battery
(The internal battery of the product is a lithium-ion battery.)
The internal battery is not fully charged at the time of purchase. Charge the
battery before using the product. Also charge the battery after long periods of
disuse before using the product.
●
Use in very hot or cold environments, for example, when left in an
automobile with the windows closed in summer, will cause the internal
battery capacity to drop and shorten the available battery usage time. This
will also shorten the internal battery's service life. Try to use the internal
battery as much as possible at room temperature.
●
The internal battery gradually discharges after charging even if the product
is not used. The internal battery may discharge completely after long time
no use. Charge before using the product.
