Audio
3-170 G24-L AT Commands Reference Manual April 15, 2008
Example
AT+MAFEAT=5,1 //Enables sidetone and noise suppress
OK
AT+MAFEAT?
+MAFEAT: 1,1 //Feature=1 (sidetone), state=1 (enabled)
+MAFEAT: 2,0 //Feature=2 (echo cancel), state=0 (disabled)
+MAFEAT: 4,1 //Feature=4 (noise suppress), state=1 (enabled)
+MAFEAT: 8,0 //Feature=8 (AGC), state=0 (disable)
OK
General Audio Commands
+MADIGITAL, Analog/Digital Audio Switching
This command switches between analog and digital audio modes. AT+MADIGITAL=1 switches
to digital audio mode, and AT+MADIGITAL=0 switches it back to analog mode.
The following table shows the +MADIGITAL parameters.
Example
AT+MADIGITAL=?
+MADIGITAL: (0,1)
OK
AT+MADIGITAL?
+MADIGITAL: 0
OK
AT+MADIGITAL=1
OK
AT+MADIGITAL?
+MADIGITAL: 1
Command
Type Syntax Response/Action Remarks
Set
+MADIGITAL=
<mode>
OK
or:
+CME ERROR: <err>
The Set command sets analog or digital
audio modes.
Read
+MADIGITAL? +MADIGITAL:<mode>
OK
The Read command returns the current
audio mode (analog or digital).
Test
+MADIGITAL=? +MADIGITAL:
<available audio modes>
OK
The test command returns the available
digital audio modes.
Table 3-112: +MADIGITAL Parameters
<Parameter> Description
<mode> 0 G24-L works in analog audio mode.
1 G24-L works in digital audio mode.
