
AUDIO
AT Commands for EV-DO-EV3 Modems
Audio Commands
Change Audio Path #CAP
C2 models only.
Set command switches the active audio path depending on parameter <n>.
Read command reports current open audio path in the format:
#CAP: <n>
Test command reports the supported values for <n>.
Syntax
Command Command type
AT#CAP=<n> Set
AT#CAP? Read
AT#CAP=? Test
Parameters and Values
<n> Audio path.
0 Audio path follows the AXE input. Default: 0.
If AXE is low, handsfree is enabled.
If AXE is high, internal path is enabled.
1 Enables handsfree external mic/ear audio path.
2 Enables internal mic/ear audio path.
Notes
The audio paths are mutually exclusive. Enabling one disables the other.
When changing the audio path, the volume level is set at the previously stored value for that audio path. See
+CLVL.
Open Audio Loop #OAP
Set command sets the open audio path.
Read command reports current open audio path in the format:
#OAP: <mode>
Test command reports the supported values for <mode>.
Syntax
Command Command type
AT#OAP=[<n>,<tout>] Set
AT#OAP? Read
AT#OAP=? Test
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