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104
Ap
pen
d
ix
AT Commands
AT commands are used to check the FOMA
terminal function settings or status by using a
PC. Usually, the communication software issues
AT commands so you do not need to be
concerned about them. Use AT commands if you
want to control the FOMA terminal in your own
way.
•
Windows Vista does not comply with “
ハイパーターミナル
(Hyper terminal)”. The setting is required a software
accommodate to Vista, and the settings follows a software.
Form of AT Commands
AT commands should be entered on the
Terminal Mode screen of the communication
software. Use only single-byte alphanumeric
characters.
<Example>
•
An AT command must be entered on a single line including
parameters (numbers and symbols) following the
command. On the Terminal Mode screen of the
communication software, “one line” is from the first
character to the character before
.
•
In the Terminal mode, a PC functions as a communication
terminal. Characters entered from the keyboard are sent
to a line connected to a communication port.
Switching between On-line Data Mode
and On-line Command Mode
Following two methods are available to switch
between on-line data mode and on-line
command mode on the FOMA terminal:
•
Enter the “+++” command.
•
When “AT&D1” is set, set the ER signal of the serial (COM)
port to OFF.
•
Switching to online command mode is not compatible with
packet communication.
Enter “ATO
” to switch from the on-line
command mode to the on-line data mode.
■
Saving the settings
Settings by AT commands are initialized when the
FOMA terminal power is turned off and turned on again
except: APN settings set by the AT+CGDCONT
command, QoS settings by AT+CGEQMIN/AT+
CGEQREQ command, setting to show or hide the
packet communication number by AT
*
DGPIR
command, and settings to restrict notifying the Caller ID
by AT+CLIR command. Settings set by commands with
[&W] can be saved by entering [AT&W
] after
configuring the settings. Any other values set by other
commands with [&W] are also saved at the same time.
These values can be restored by entering “ATZ
”
even after the FOMA terminal power was turned off and
turned on again.
ATD*99***1#
Hard Return
Parameter : Content of the
command
Command Name
AT
C
o
m
m
a
n
ds