Motorola g20 - Page 221

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AT Commands Reference
4.11.1.4 +CMER, Set/Request Local Key Press Echo Keypad Mode
This command enables an external accessory to receive key press information from the g20’s internal keypad. In some cases,
this is used to track the user activity for redisplay on a vehicle system, or to perform accessory-specific menu operations.
Set Command
The Set command enables or disables the sending of unsolicited result codes from the TA to the terminal in the case of key
pressings, display changes and indicator state changes. If the g20 does not support the setting, +CMER ERROR: <err> is
returned.
Read Command
The Read command returns the current event reporting settings.
Test Command
The Test command returns a list of the supported event reporting settings.
Command Response/Action
AT+CMER=[<mode>[,keypd>
[,<disp> [,<ind>[,<bfr>]]]]]
OK
or:
+CME ERROR: <err>
Command Response/Action
AT+CMER? +CMER: <mode>,<keyp>,<disp>,<ind>,<bfr>
OK
Command Response/Action
AT+CMER=? +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