MC55_ATC_V04.00 Page 60 of 475 3/17/06
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3. Status Control Commands
The AT Commands described in this chapter allow the external application to obtain various status information
from the MC55.
3.1 AT+CMER Mobile Equipment Event Reporting
This command controls details of the "+CIEV" URC presentation related to AT^SIND and AT+CIND. If registered
via these commands the URCs are sent whenever a value of the related indicator changes.
In addition, AT+CMER controls "^SLCC" URCs related to AT^SLCC. For details refer to Call Status Infor-
mation, AT^SLCC and AT^SCFG, parameter <sucs>.
The read command returns the URC presentation mode <mode> and among others, the indicator event reporting
status <ind>.
The write command enables and disables the presentation of "+CIEV: <indDescr>, <indValue>
1
[, <ind-
Value>
2
]" URCs. <indDescr> refers to the name of a "+CIEV" indicator and <indValue> is the new value of
this indicator. After AT+CMER has been switched on, URCs for all registered indicators will be issued. See exam-
ples provided in Section 3.2, AT+CIND and Section 3.3, AT^SIND.
Syntax
Unsolicited Result Code
+CIEV: <indDescr>, <indValue>
1
[, <indValue>
2
]
A value of an indicator has changed.
Test Command
AT+CMER=?
Response(s)
+CMER: (list of supported<mode>s), (list of supported <keyp>s), (list of supported <disp>s), (list of
supported <ind>s), (list of supported <bfr>s)
OK
Read Command
AT+CMER?
Response(s)
+CMER: <mode>, <keyp>, <disp>, <ind>, <bfr>
OK
Write Command
AT+CMER=[<mode>[, <keyp>[, <disp>[, <ind>[, <bfr>]]]]]
Response(s)
OK
ERROR
+CME ERROR
Reference(s) PIN ASC0 ASC1 MUX1 MUX2 MUX3 Charge  Last
GSM 07.07 % % % % % % ! ! !
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