User's Manual

78
Appendix
Trouble Detail
Battery usage time is
short.
•
Make sure you do not often use the
product in places where
(out of
service area) is displayed. (▶P. 65)
•
Make sure the internal battery does
not approach the end of its service
life. Check the battery status.
(▶P. 51)
•
Is the internal battery charged
enough? (▶P. 51)
•
Suspend the functions not being
used. (▶P. 66)
Cannot operate the
touch panel as
intended.
•
Make sure you are not operating with
hands wearing gloves etc.
•
Make sure you are not operating with
the tip of a fingernail or with foreign
object between the screen and your
fingers.
•
Check the proper operation of touch
panel. (
▶P. 59)
•
Restart the product. (▶P. 56)
Screen response is
slow when you tap
on the screen/press
the keys.
•
Screen response may be slowed
down when a large amount of data is
stored in the product or being
transmitted between the main unit
and a microSD memory card.
auIC card(UIM) error.
is displayed.
•
Is an au Micro IC Card (LTE)
inserted? (
▶P. 46)
Trouble Detail
Cannot make calls.
•
Is an au Micro IC Card (LTE)
inserted? (▶P. 46)
•
Did you enter the correct phone
number? (Did you enter the phone
number starting with the area code?)
(▶P. 70)
•
Is the power turned on? (▶P. 55)
•
Did you tap “Call” after entering a
phone number? (▶P. 70)
Cannot receive calls.
•
Is reception good enough? (▶P. 65)
•
Is the product within the service
area? (▶P. 65)
•
Is the power turned on? (▶P. 55)
•
Is an au Micr
o IC Card (LTE)
inserted? (▶P. 46)
Cannot hear the
other party.
•
Is the call volume set to other than
minimum? (▶P. 71)
•
Make sure you are placing the
receiver on your ear. (▶P. 45)
Cannot recognize a
microSD memory
card/Cannot find
target data.
•
Is a microSD memory card inserted
properly? (▶P. 48)
•
Make sure data is not saved on the
main unit (memory). Data can be
saved on the main unit (memory)
besides a microSD memory card.
The power is tur
ned
off automatically.
•
Make sure the battery has not run
out. (▶P. 51)
The power is turned
off while the wake-up
logo is displayed.
•
Make sure the battery has not run
out. (▶P. 51)