
AUDIO
AT Commands for EV-DO-EV3 Modems
Handset Microphone Gain #HSMICG
C2 models only.
Set command sets the handset microphone input gain.
Read command returns the current handset microphone input gain, in the format:
#HSMICG: <level>
Test command returns the supported value range for <level>.
Syntax
Command Command type
AT#HSMICG=<mode> Set
AT#HSMICG? Read
AT#HSMICG=? Test
Parameters and Values
<level> Handset microphone input gain.
0-7 Handset microphone input gain +6dB/step. Default: 4.
Headset Sidetone #SHFSD
C2 models only.
Set command enables/disables the sidetone on the handsfree audio output.
Read command returns the current handset microphone input gain, in the format:
#SHFSD: <mode>
Test command returns the supported value range for <mode>.
Syntax
Command Command type
AT#SHFSD=<mode> Set
AT#SHFSD? Read
AT#SHFSD=? Test
Parameters and Values
<mode>
0 Disables echo canceller for handsfree sidetone. Default: 0.
1 Enables echo canceller for handsfree sidetone.
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