SimCom SIM7500 Series

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
139
6.28 AT+COUTGAIN Adjust out gain
Description
This command is used to adjust out(speaker/handset) gain. If this command was used during call, it
will take immediate effect . Otherwise, it will take effect in next call.
SIM PIN References
NO
Vendor
Syntax
Test Command Responses
AT+COUTGAIN=? +COUTGAIN: (list of supported <value>s)
OK
Read Command Responses
AT+ COUTGAIN? +COUTGAIN: <value>
OK
Write Command
Responses
AT+COUTGAIN=<value> OK
ERROR
Defined values
<mode>
Gain value from 0-8, 8 is the max. 8 is the default value. This value will be reset to default value
after Module reset.
Examples
AT+COUTGAIN=1
OK
AT+COUTGAIN?
+ COUTGAIN:1
OK
6.29 AT+CTXVOL Adjust TX voice mic volume
Description
This command is used to adjust mic gain. It modify the TX_VOICE_VOL in DSP. This command
only be used during call and don’t save the parameter after call.
SIM PIN References
SIMCOM CONFIDENTIAL FILE