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472
Data
Transmission
To enter an AT command, use the terminal mode
display of the transmission software. Be sure to enter
half-size alphanumeric characters.
●
Entry example
ATD
*
99
***
1
#
RETURN mark
Parameter
Command
●
You need to enter an AT command on one line,
including parameters (composed of digits and
symbols) following the AT command.
On the terminal mode screen of the transmission
software, the range from the first character to the
character just before RETURN
is assumed to be
“one line”. You can enter up to 160 characters
(including “AT”) on “one line”.
Entry Format of AT Command
●
The terminal mode enables the system to operate a personal
computer as one transmission terminal. Using this mode, you can
send characters you have entered from the keyboard to a line
connected to the transmission port.
Information
Switching between Online Data Mode and
Online Command Mode
There are following two methods of switching the
FOMA phone between the online data mode and online
command mode:
• Enter the “+++” command or enter the code specified
in the “S2” register.
• Set the ER signal of the RS-232C
※
off when “AT&D1”
is set.
●
To switch the online command mode to the online
data mode, enter “ATO
”
※
The RS-232C signal line, which is emulated via the USB interface, is
controlled by a transmission application.
■
Saving the setting contents
Please be careful that the setting contents with AT commands are
initialized when the FOMA phone is powered off and on, expect for
the access point name (APN) setting with the AT+CGDCONT
command, QoS setting with the AT+CGEQMIN or AT+CGEQREQ
command, incoming call accepted/rejected setting with the
AT
*
DGAPL, AT
*
DGARL, or AT
*
DGANSM command, phone
number notified/not notified setting (for packet transmission) with the
AT
*
DGPIR command. For commands with [&W], you can enter
“AT&W
” (after setting) to save the setting contents and other set
values with [&W] at the same time. If necessary, you can restore
these set values by entering in “ATZ
” even after the power is
turned off and on.
AT Command
AT commands are used to specify and modify the
functions of the FOMA phone on the personal computer.
*
The following abbreviations are used in the AT command list:
[AT]:
Commands which are available at the FOMA P700i
Command Port
[M]:
Commands which are available in the FOMA P700i (modem)
[&F]:
Commands which are initialized with the AT&F command
[&W]:
Commands which are saved with the AT&W command; used
to recall a set value with the ATZ command.
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