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Life of the internal battery
The internal battery is a consumable part.
Each time the internal battery is recharged,
the battery usage time per one charge
gradually decreases.
When the battery usage time per one charge
becomes about half of that at the time of
purchased, replacing the internal battery is
recommended because the internal battery is
near the end of life.
Watching TV etc. for a long time while
charging may shorten the lifetime of the
internal battery.
To check the charging performance, from the
Home screen, tap
u
u
phone]
[Status]
[Battery life].
Before charging
It is recommended to use the AC Adapter 04
(optional) for charging. For details on AC
Adapter 04 (optional), see AC Adapter 04
(optional) manual.
u
u
[Settings]
[About
The AC Adapter 04 (optional) is compatible
with AC 100 V to 240 V. For using the terminal
overseas, a plug adapter that fits the electrical
outlets in the country you stay is needed. Do
not use an electrical transformer for overseas
use to charge the terminal.
Use a compatible AC adapter or microUSB
cable for charging (P.196). If you use a charger
other than compatible ones, charging may
not be available or operations may not be
performed correctly.
Insert and remove the AC adapter cable or
microUSB cable slowly and evenly so that
excessive force is not applied.
When charging starts, notification LED of the
terminal turns on (P.43).
To check the battery level, see the status bar at
the top of the screen or from the Home
u
screen, tap
[Settings]
u
phone]
[Status] to see "Battery level".
When you start charging with the terminal
powered off, the power turns on. However,
you cannot operate the terminal. Power off
the terminal in a place where the use is
prohibited such as in airplane or hospital for
this reason.
Before Using the Terminal
u
[About
32
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