TC45 AT Command Set
17.1 AT+CALA
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TC45_ATC_V02.02
Page 404 of 461
4/16/04
Confidential / Released
Integer type value indicating the type of the alarm.
0
Alarm indication: text message via serial interface
String type value indicating the text to be displayed when alarm time is reached; maximum length is
By factory default,
is undefined.
Note:
will be stored to the non-volatile flash memory when the device enters the Power Down mode via
. Once saved, it will be available upon next power-up, until you overwrite it by typing another text. This
eliminates the need to enter the full string when setting a fresh alarm.
should not contain characters which are coded differently in ASCII and GSM (e.g. umlauts), see also
"Supported character sets" and "GSM alphabet tables".
Integer type value indicating the maximum length of
. The maximum length is 16.
Notes
• After the alarm was executed the parameter
will be reset to "00/01/01,00:00:00", but
will be preserved as described above.
• If TC45 is totally disconnected from power supply the most recently saved configuration of +CALA:
[,
]]] will be presented when TC45 is powered up.
• Each time TC45 is restarted it takes 2s to re-initialize the RTC and to update the current time. Therefore, it is
recommended to wait 2s before using the commands
and
(for example 2s after
^SYSSTART has been output).
• Alarm settings on ASC0 / ASC1 and different Multiplexer channels (see
- On each interface an individual
message can be stored, but only one time setting applies. This
means an alarm
set on one of the interfaces overwrites the time setting on all remaining inter-
faces. Therefore, the total number of alarm events returned by the read command
? will always
=0, no matter whether different text messages are stored.
- When the alarm is timed out and executed, the ME sends the URC only on the interface where the most
recent alarm setting was made. The alarm time will be reset to "00/01/01,00:00:00" on all interfaces.
Examples
EXAMPLE 1
You may want to configure a reminder call for May 31, 2004, at 9.30h, including the message "Good Morning".
Do not switch off the GSM engine. When the alarm is executed the ME returns the following URC:
<type>
(num)
<text>
(str)
<tlength>
(num)
AT+CALA="04/05/31,09:30:00",0,0,"Good Morning"
OK
+CALA: Good Morning