Technical information
Chapter 3: AT Commands Reference
August 5, 2008 AT Commands Reference Manual 3-253
+MDMIC, Enable/Disable Microphone Level Setting in Digital Audio
Mode
This command Enables/Disables the setting of the microphone level in digital audio mode via
+MMICG command.
Note: Do not change +MDMIC settings during an active voice call.
The following table shows the +MDMIC parameters.
+ MMICG, Microphone Gain Value
This command handles the selection of microphone gain values of MIC-handsets. The new value
remains after power cycle. This command affects in digital audio mode, only when +MDMIC
command is used to enable the microphone setting.
Command
Type Syntax Response/Action Remarks
Set
AT+MDMIC=<Mode> OK
Or:
+CME ERROR: <err>
<Mode> is saved after power down.
Read
AT+MDMIC? +MDMIC: <mode>
OK
Test
AT+MDMIC=? +MDMIC: (list of
supported <modes>)
OK
Table 3-165: +MDMIC Parameters
<Parameter> Description
<Mode> 0 - Disables the control of microphone level setting in digital audio mode via
+MMICG. i.e. microphone level setting will not be affected by +MMICG.
This is the default value when +MDMIC set command is never used.
1 - Enables the control of microphone level setting in digital audio mode via
+MMICG. i.e. microphone level setting will be affected by +MMICG.
Command
Type
Syntax Response/Action Remarks
Set
+MMICG=<gain> OK
+CME ERROR: <err>
The Set command sets the microphone
gain value.