Multi-Tech Systems GPRS (MTMMC-G) User Manual

Chapter 13 – Specific AT Commands  

Multi-Tech Systems, Inc. Wireless GSM/GPRS AT Commands (Document Number S000293I) 

112 

Description:  

This command enables or disables sending of unsolicited result codes in the case of a key press. 

0   No keypad event reporting. 
1   Keypad event reportings are routed using unsolicited code: +CKEV: <key>, <press> only those 

key pressings, which are not caused by +CKPD are indicated. 

2   Keypad event reportings are routed using unsolicited code: +CKEV: <key>, <press> all key 

pressings are indicated. 

  As AT software does not manage the emulation of key press, the values 1 and 2 lead to the 

same results. 

0   No indicator event reporting 
1   Indicator event reporting using unsolicited result code. Only the indicator events not caused by 

+CIND shall be indicated by the TA to the TE. 

2 

Indicator event reporting using unsolicited result code. All indicator events shall be directed 
from TA to TE (DTE).

<key>   Keyboard map is (5,5) 

0 1 2 3 4 
5 6 7 8 9 
10 11 12 13 14 
15 16 17 18 19 
20 21 22 23 24 

<press> 

 

1   key press 
0   key release 

<indresp>   Indicator order number (as specified for +CIND) 
<value>   New value of the indicator 

AT+CMER=<mode>,<keyp>,<disp>,<ind>,<bfr> 

+CKEV: <key>, <press>  (key press event report)

+CIEV: <indresp>, <value> 

 (indicator event report) 

AT+CMER=1 
Note: Ask for key press event report 

OK 

 +CKEV:12,1 

+CKEV:12,0 
Note: Key 12 has been pressed and released 

AT+CMER? +CMER: 

3,1,0,0,0 

OK