Fujitsu ARROWS NX F-01K Instruction Manual page 20

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Be sure to back up the data you saved in the terminal on a
microSD card, PC, or cloud service, or keep a separate note.
- NTT DOCOMO is not liable for any loss of saved data.
・
Do not plug an external device into the external connection
jack at a slant, or do not pull it forcibly while it is plugged.
- May cause malfunction or damage.
・
It is not abnormal if the terminal becomes warm while in
use and charging. Continue to use it.
・
Do not leave the terminal with the camera lens in areas
under strong direct sunlight.
- May cause discoloring or burn-in of elements.
・
Use the terminal with the slot cap closed.
- Not doing so may cause malfunction due to entering
foreign objects such as water or other liquid (drinking
water, perspiration, seawater, urine of pet animals, etc.) or
dust to the terminal
・
Do not subject the fingerprint sensor to strong impact or
scratch the surface.
- Doing so not only may cause a malfunction of the
fingerprint sensor, but also authentication may become
unavailable.
・
While microSD card is being used, do not take the card out
or do not turn off the terminal.
- May cause data loss or malfunction.
・
Do not let a magnetic card or magnetized object close to the
terminal.
- Magnetic data in cash cards, credit cards, telephone cards,
floppy disks, etc. may be erased.
Bringing strong magnetism near may cause malfunction
of the terminal.
・
Do not decorate the terminal with films or stickers.
- May hinder the proper operations for functions using the
proximity sensor.
For a location of the proximity sensor, see the following.
→P30"Part names and functions"
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The internal battery is not covered by the warranty because
it is consumable.
- The internal battery may swell out as it comes to near the
end of its lifetime depending on the usage conditions.
Replace the internal battery if the terminal has extremely
short operation time on a full charge or when the internal
battery is swelled out. For replacing internal battery,
contact "Repairs (Inquiries/Request)" on the last page (in
Japanese only) or DOCOMO-specified repair office.
・
Charge the battery in an area within the proper ambient
temperature range (5-35℃).
・
The operation time provided by the internal battery varies
by the operating environment and internal battery
deterioration.
・
When storing the terminal, avoid the following conditions
so as not to deteriorate the performance or lifetime of the
internal battery.
- Storing under the state of the full charge (right after
charging ends)
- The battery has run out (the terminal cannot be turned on)
The appropriate battery level for storing is about 40%.
・
The terminal has the following type of internal battery.
Display
Li-ion 00 Li-ion battery
18
Battery type
Contents/Precautions