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3. CONTROL AND STATUS
115
LZT 123 7263 R1C
3.21 AT+CIND Indicator Control
Used to set the values of ME indicators. <ind> value 0 means that the
indicator is off (or in state which can be identified as “off” state), 1
means that indicator is on (or in a state which is more substantial than
“off” state), 2 is more substantial than 1, and so on. If the indicator is a
simple on/off style element, it has values 0 and 1. The number of
elements is ME specific. If the ME does not allow setting of indicators
or it is not currently reachable, +CME ERROR: <err> is returned. If a
certain indicator is not writable, it cannot be set. If the parameter is an
empty field, the indicator will keep the previous value.
Test command returns pairs, where string value <descr> is a maximum
16 character description of the indicator and compound value is the
allowed values for the indicator. If ME is not currently reachable,
+CME ERROR: <err> is returned (refer to GSM 07.07).
Description Command Possible Responses
Set Indicator
Control
AT+CIND=[<ind>
[,<ind>[,…]]]
• +CME ERROR: <err>
•OK
•ERROR
Show the current
setting
AT+CIND? • +CIND: <ind>,<ind>,…
• +CME ERROR: <err>
•OK
•ERROR
Show if the
command is
supported
AT+CIND=? • +CIND: (<descr>,(list of
supported <ind>s)),
(<descr>,(list of supported
<ind>s)),…
• +CME ERROR: <err>
•OK
•ERROR
<ind> Description
Integer type Value shall be in range of corresponding <descr>
<descr> Description
“signal” Signal quality (0-5)
“service” Service availability (0-1)
“sounder” Sounder activity (0-1)
“message” Message received (0-1)
“call” Call in progress (0-1)
“roam” Roaming indicator (0-1)
“sms full” A short message memory storage in the MT has become full
(1), or memory locations are available (0); i.e. the range is
(0-1)