User's Manual

Appendix/Index
154
■ Operations/Display
● No operations are performed even by tapping or
pressing keys.
• Is the terminal turned off? → P32
• Is the terminal in sleep mode? Press P /fingerprint
sensor to unlock.
→ P45
• Is Child proof enabled? → P49
• When [Glove touch] is marked, operation with gloved
finger upright may not work properly. Tilt your finger to
bring the pad of the finger into contact with the touch
panel when operating the terminal.
→ P130
● The operation time provided by the battery is short.
• Running multiple applications increases battery
consumption and usage time may become short. Exit
from applications which you are not using as follows.
- Exiting running application
→ P48
- Exiting applications with (Back)
• For FAQ of ARROWS or useful method such as reducing
battery consumption, refer to @F
ケータイ応援団 (@F
mobile phone supporters) or ARROWS@ (http://
atfe.fmworld.net/at/) (in Japanese only).
• Is the terminal left for a long time under the state of out
of service area? Out of service area, a lot of power is
consumed to search available radio waves.
• The operation time provided by the internal battery
varies by the operating environment and battery
deterioration.
• The internal battery is a consumable part. Each time it is
charged, time available with each charging reduces.
When the operation time is too short with the battery
fully charged, contact "Repairs" on the last page of this
manual (in Japanese only) or DOCOMO-specified repair
office.
● The docomo nano UIM card is not recognized.
Is the docomo nano UIM card installed in the right
direction?
→ P28
● The screen reacts slowly when a touch panel is tapped/
key is pressed.
When large amount of data is saved in the terminal or
transferring large-size data between the terminal and
microSD card, the reactions on the screen may be
delayed.
● The terminal, etc. become hot while operating/charging.
While operating or charging, or if you call or watch
videos, etc. for a long time while charging the battery, the
terminal, internal battery and adapter may become hot.
There is no problem and you can continue to use them.
● The terminal becomes hot while operating/charging.
If high temperature of the terminal continues, charging or
some functions may be disabled.
● The terminal becomes hot and the power turns OFF.
If you activate several applications, use camera, connect
to the Internet for a long time while charging the battery,
etc., temperature of the terminal may be raised. When the
terminal is in high temperature state for a long time,
charging or functions may stop or screen brightness may
be adjusted. And the power of the terminal may shut
down to prevent you from burns.
● The display is dim.
• Have you changed any of the following settings?
- Emergency mode
→ P34
-Brightness
→ P105
- Sleep
→ P106
• When the terminal is in high temperature state for a
long time, the display may become dim.