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AC75 AT Command Set

2.14 AT^SCFG

AC75_ATC_V01.002 Page 66 of 569 10/30/06

Confidential / Released

Parameter <map> allows entering or leaving the Airplane mode any time during operation, eliminating the need

to enter the SIM PIN again. It can be used no matter whether the parameter <mapos> is "on" or "off".

Parameter <map> is global for all interfaces, volatile and will not be reset by AT&F.

“on“ Activates Airplane mode and shuts down the radio part of the ME. The URC

"^SYSSTART AIRPLANE MODE" appears.

“off“

(P)

Deactivates Airplane mode, wakes up the radio part of the ME and restores

access to network-dependent AT commands. The URC "^SYSSTART"

appears.

MEopMode/Airplane: Airplane mode upon ME restart

There are two ways to enter Airplane mode upon restart: One is using AT^SCFG with <mapos> as described

below.

Another approach is configuring the ME to restart into Airplane mode at a scheduled time. In this case, use the

AT+CALA command, set an alarm time and then switch the ME off. When the alarm time is reached the ME

wakes up to Airplane mode, no matter whether <mapos> was set "on" or "off".

Parameter <mapos> is global for all interfaces, non volatile and will not be reset by AT&F.

“on“ Causes the ME to enter the Airplane mode each time the ME is restarted or

reset.

After restart or reset, the URC "^SYSSTART AIRPLANE MODE" appears and

parameter <map> is "on". The SIM PIN can be entered using the AT+CPIN

command. This enables the ME to read data from the SIM and give access to

SIM PIN dependent AT commands which are available in Airplane mode, such

as phonebook commands or several SMS commands. To notify the user when

SIM data are accessible it is recommended to activate the "^SSIM READY"

URC and store its presentation mode to the user profile with AT&W.

To return from Airplane mode to Normal mode set the parameter <map> to "off"

as described above. If PIN authentication was already done, the ME will try

now to register to the GSM network.

“off“

(P)

Airplane mode will not be activated after ME restart or reset.

MEShutdown/OnIgnition: Enable/disable shutdown by IGT line

The parameter specifies two different switching modes of the ignition line IGT: The line may either be used only

to switch on the ME, or to switch it on and off.

By factory default the module's IGT line is configured only for switching on the ME. We recommend that great

care be taken before changing the switch mode of IGT. It is of vital importance that the following conditions are

met to ensure that IGT works properly as ON/OFF switch:

Switch-on condition: If the ME is off the IGT line must be asserted for at least 400 ms and then released.

Switch-off condition: If the ME is on the IGT line must be asserted for at least 1 s and then released. The switch-

off routine is identical with the shutdown procedure initiated by the AT^SMSO command, i.e. the ME performs an

orderly shutdown and issues the "^SHUTDOWN" URC.

Before switching off the ME wait at least 2 seconds after startup.

Furthermore, particular attention shall be given to the USB interface and the DTR signal: The USB interface and

the DTR line shall either be decoupled from IGT to avoid unintentional shutdown of the ME, or require special

precautions if you wish to restart the ME by plugging the USB cable or to toggle IGT from DTR. For further details

please refer to [2].

Parameter <msi> is global for all interfaces, non-volatile and will not be reset by AT&F.

“on“ Ignition line (IGT) can be used to switch on and off the ME.

“off“ Ignition line (IGT) can be used to switch on the ME.

<mapos>

(str)(+CSCS)

<msi>

(str)(+CSCS)

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