24
Caution
z
Never use the handset that is modified. Using a modified
device violates the Radio Law and/or the
Telecommunications Business Law.
The handset follows the regulations regarding the certification of
conformity with technical regulations for specific radio stations, etc.
based on the Radio Law and authentication of conformity with
technical regulations for devices, etc. based on the
Telecommunications Business Law, and the “Technical Conformity
Mark
” can be displayed on the electronic nameplate of the
handset as a proof. You can see it by operating as follows.
In the home screen, display “app list screen”
▶
[Settings]
▶
[System]
▶
[Advanced]
▶
[Authentication]
If the screws of the handset are removed and a modification is given
to the inside, the certification of conformity with technical regulations,
etc. will become invalid. Never use the handset without the valid
certification, etc. Doing so violates the Radio Law and/or the
Telecommunications Business Law.
z
Be careful when using the handset while driving a motor
vehicle.
Using the handset in hand while driving is regarded as a punishable
act.
However, the punishment has no application in some cases such as
when rescuing sick and injured people or maintaining public safety.
z
Never change the basic software improperly.
This may be regarded as a conversion of software and repairs may be
refused.
Replacing the built-in battery
The internal battery is a consumable product. As charging and
discharging cycles repeat, the battery deteriorates and the
usage time may become considerably shorter.
Deterioration of the built-in battery varies depending on the
usage status and operation environment. If the usage time has
become considerably shorter even after being fully charged, it
is time to replace the built-in battery with a new one.
The handset's built-in battery cannot be replaced by
customers themselves. Contact the support phone number
listed on the Warranty Card and request replacement of the
built-in battery (for a fee).
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General
Weight and Dimensions
