User's Manual

87
Appendix
Optional and Related
Devices
Combining the FOMA HIGH-SPEED terminal with
optional devices supports a wide variety uses.
Some products are not available depending on
the region. For details, contact a DoCoMo sales
office. For details about the optional devices,
refer to the instruction manuals for respective
devices.
Earphone Microphone with Switch P001/P002
Stereo Earphone Set P001
Troubleshooting
The FOMA terminal Is not Recognized
Communication Problems
Problems with AT Commands
Other Problems
Symptom Check
FOMA HIGH-
SPEED terminal
is not
recognized
Re-insert the FOMA terminal all the
way into the slot securely. P21
Verify that the driver for the FOMA
terminal is functioning properly.→P24
Some energy saving PCs turn the
power off to a PC terminal (FOMA
terminal). Read the instruction manual
of the PC and check the power source
status.
Symptom Check
Communications
are not possible
Verify that signals are received in the
service area. P17, P54
Check the communication settings of
the PC. P32
Verify that the access point and your
PC use the same communication
method. P32
If “デュアルネットワーク (Dual
Network)” is set to mova, switch it to
FOMA. P68
Cannot connect
to the Internet
Verify the connection settings to your
Internet provider. P36
Connection is
frequently
terminated
Traffic may be heavy at the access
point. Try connecting again later.
If you are in a weak signal reception
area, move to a location where the
signal strength is displayed as .
Symptom Check
“ERROR”
appears when a
command is
entered
Verify that the number of characters in
the command is within XXX.
Verify that you entered a correct
command.
Check the properties of the terminal
software to see whether a device other
than FOMA terminal is selected.
“OK” does not
appear after AT
command is
entered
Check the communication settings of
the PC. P32
Verify that the commands start with
“AT” or “at” and that upper and lower
case characters are not mixed.
Symptom Check
Status lamp
does not light
Check the LED on/off setting. P64
Optional Devices/Troubleshooting