User's Manual

79
Appendix/Index
I hear a beeping sound and cannot make any
phone calls
• Are you outside the service area or in a location
with poor signal strength? (P.5)
• Either the network is very busy, or the person you
are trying to call is already on the phone.
Cannot hear the other person on the line
Is your receiver volume turned all the way down?
(P.37)
• Are you covering up the receiver with your ear?
Place the receiver to your ear.
The microSD memory card is not recognized
Is the micr
oSD memory card inserted properly?
(P.12)
• Is the microSD memory card unmounted?
For more detailed information, see au Customer
Support on the au homepage at the following URL.
http://www.kddi.com/customer/service/au/
trouble/kosho/index.html