SimCom SIM7500 Series User Manual

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
140
NO Vendor
Syntax
Test Command Responses
AT+CTXVOL=? +CTXVOL: (list of supported <value>s)
OK
Read Command
Responses
AT+ CTXVOL? +CTXVOL: <value>
OK
Write Command
Responses
AT+CTXVOL=<value> OK
ERROR
Defined values
<value>
Gain value from 0x0000-0xffff, default value is not a fixed value. It varies with different versions.
Examples
AT+CTXVOL=0x1234
OK
AT+CTXVOL?
+CTXVOL: 0x2d33
OK
6.30 AT+CTXMICGAIN Adjust TX voice mic gain
Description
This command is used to adjust mic gain. It modify the TX_VOICE_MIC_GAIN in DSP. This
command only be used during call and don’t save the parameter after call.
SIM PIN References
NO Vendor
Syntax
Test Command
Responses
AT+CTXMICGAIN=? +CTXMICGAIN: (list of supported <mode>,<value>s)
OK
SIMCOM CONFIDENTIAL FILE

SimCom SIM7500 Series Specifications

General

Brand	SimCom
Model	SIM7500 Series
Category	Control Unit
Language	English