Docomo Arrows X F-10D Instruction Manual Page 17

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Contents/Precautions
15
Do not leave the terminal with the camera in areas
under strong direct sunlight.
- May cause discoloring or burn-in of elements.
Use the terminal with the external connection jack cap
closed.
- Dust and/or water brought into the terminal cause
troubles.
Do not use the terminal with the back cover removed.
- May cause removal of battery pack, malfunction or
damage.
Do not give a strong impact on the fingerprint sensor or
scratch the surface.
- It may cause not only malfunction of the fingerprint
sensor but also disabling authentication.
Clean the fingerprint sensor with a dry soft cloth (such
as a cloth for eyeglasses).
- When the fingerprint sensor is dirty or gets wet on the
surface, it cannot read the fingerprint and may cause
decrease the authentication performance or erroneous
operation.
While microSD card is being used, do not take the card
out and do not turn off the terminal.
- May cause data loss or malfunction.
Do not bring magnetic cards etc. close to the terminal.
- Magnetic data in cash cards, credit cards, telephone
cards, floppy disks, etc. may be erased.
Do not bring magnetized objects close to the terminal.
- Bringing strong magnetism close may cause a
malfunction.
Do not embellish the terminal with a sticker, etc.
- An embellished terminal may not be charged with the
wireless charger.
Battery pack
The battery pack is a consumable part.
- Replace the battery pack if the terminal has extremely
short operation time on a full charge, though it may
vary by operating conditions. Purchase a new battery
pack of the specified type.
Charge the battery in an area within the proper ambient
temperature range (5-35
).
The operation time provided by the battery pack varies
by the operating environment and battery pack's
deterioration.
The battery pack may swell out as it comes to near the
end of its lifetime depending on the usage conditions,
but it is not a problem.
Be careful especially about the following points when
preserving the battery pack.
- Keeping under the state of the full charge (right after
charging ends)
- Keeping under the state of the empty charge (too
exhausted to turn on the terminal)
They may cause the battery pack performance to be
degraded or its lifetime to be shortened.
A recommended battery level to keep the battery pack is
approximately 40 % of remaining battery level as a
guide.
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