User guide

AUDIO
COMMANDS
AT Commands for EV-DO-EV3 Modems
204
Handset Automatic Gain Control #SHSAGC
Set command enables or disables the automatic gain control function on audio handset input.
Read command reports whether the automatic gain control function on audio handset input is currently enabled
or not, in the format:
#SHSAGC: <mode>
Test command returns the supported range of values for <mode>.
Syntax
Command Command type
AT#SHSAGC=<mode> Set
AT#SHSAGC? Read
AT#SHSAGC=? Test
Parameters and Values
<mode>
0 Disables automatic gain control for handset mode. Default: 0.
1 Enables automatic gain control for handset mode.
Note: This parameter is saved in non-volatile memory issuing AT&W command.
Handset Noise Reduction #SHSNR
Set command enables or disables the noise reduction function on audio handset input.
Read command reports whether the noise reduction function on audio handset input is currently enabled or not,
in the format:
# SHSNR: <mode>
Test command returns the supported range of values for <mode>.
Syntax
Command Command type
AT#SHSNR=<mode>
Set
AT#SHSNR? Read
AT#SHSNR=? Test
Parameters and Values
<mode>
0 Disables noise reduction for handset mode. Default: 0.
1 Enables noise reduction for handset mode.
Notes
 To save the value of <mode> use the AT&W command.