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TC63_ATC_V00.490

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5/24/05

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The 

 write command can be used to set an alarm time in the ME or to clear a programmed alarm. When

the alarm time is reached and the alarm is executed the ME returns an Unsolicited Result Code (URC) and the

alarm time is reset to "00/01/01,00:00:00".

The alarm can adopt two functions, depending on whether or not you switch the GSM engine off after setting the

alarm: 
• Reminder message: You can use the alarm function to generate reminder messages. For this purpose, set

the alarm as described below and do not switch off or power down the ME. When executed the message

comes as an Unsolicited Result Code which reads "

• Airplane mode: The alarm function can be used to wake up the ME at a scheduled time. For this purpose, set

the alarm as described below. Then power down the ME by entering the 

 command. When the alarm

time is reached the ME enters the Airplane mode, notified to the user by the URC "

" and, if available, by a user defined text message (specified with 

). In Airplane mode, the RF

interface of the ME is shut down to prevent it from unintentionally logging into the GSM network. All AT com-

mands whose execution requires a radio connection are disabled. A list of AT commands supported during

Airplane mode can be found in Section 

. To return from Airplane mode to Normal mode use the 

 command and set

the parameter 

 to "off". This immediately activates the RF interface and restores access to all AT com-

mands. The URC "

" notifies the user that the ME has returned to Normal mode. Please note that

setting an alarm with 

 is one method to wake up into Airplane mode. The second approach is using

the 

 command, parameter 

. For further detail on Airplane mode refer to Section 

. 

The 

 test command returns the supported array index values 

, the supported alarm types 

and the maximum length of the text 

 to be output.

The 

 read command returns the current alarm settings in the ME. 

Test Command

AT+CALA=?

Response(s)

+CALA: 

(list of supported

s), (list of supported

s), (list of supported

s)

OK

ERROR

+CME ERROR: <err>

Read Command

AT+CALA?

Response(s)

[, 

[, 

]]]

OK

ERROR

+CME ERROR: <err>

Write Command

[, 

[, 

]]]

Response(s)

OK

ERROR

+CME ERROR

Reference(s)

PIN

ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge

4

Last

GSM 07.07

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