Siemens AC75 Hardware Interface Description page 23

AC75 Hardware Interface Description
Strictly confidential / Preliminary
Airplane mode Airplane mode shuts down the radio part of the module, causes the module to
log off from the GSM/GPRS network and disables all AT commands whose
execution requires a radio connection.
Airplane mode can be controlled by using the AT commands AT^SCFG and
AT+CALA:
• With AT^SCFG=MEopMode/Airplane/OnStart the module can be configured
• The parameter AT^SCFG=MEopMode/Airplane can be used to switch back
• Setting an alarm time with AT+CALA followed by AT^SMSO wakes the
Charge-only mode Limited operation for battery powered applications. Enables charging while
module is detached from GSM network. Limited number of AT commands is
accessible. Charge-only mode applies when the charger is connected if the
module was powered down with AT^SMSO.
Charge mode Normal operation (SLEEP, IDLE, TALK, GPRS/EGPRS IDLE, GPRS/EGPRS
during normal DATA) and charging running in parallel. Charge mode changes to Charge-only
operation mode when the module is powered down before charging has been completed.
See Table 11 for the various options proceeding from one mode to another.
AC75_HD_V00.202
to enter the Airplane mode each time when switched on or reset.
and forth between Normal mode and Airplane mode any time during
operation.
module up into Airplane mode at the scheduled time.
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27.04.2006