At+Coutgain Adjust Out Gain; At+Ctxvol Adjust Tx Voice Mic Volume - SimCom SIM7500 Series At Command Manual

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
AT+COUTGAIN=?
Read Command
AT+COUTGAIN?
Write Command
AT+COUTGAIN=<value>
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
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
+COUTGAIN: (list of supported <value>s)
OK
Responses
+COUTGAIN: <value>
OK
Responses
OK
ERROR
Smart Machine Smart Decision
139 2017-12-25