62 audio profile factory configuration - #prst, 63 audio profile configuration save - #psav – Rainbow Electronics GM862-QUAD-PY User Manual

Page 295

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AT Commands Reference Guide

80000ST10025a Rev. 5 - 09/07/08

Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved

page 295 of 434

<level>: handset analogue output gain
0..6 - handset analogue output (-3dB/step)

Note: This parameter is saved in NVM issuing AT&W command.

AT#HSRECG?

Read command returns the current handset analog output gain, in the
format:

#HSRECG: <level>

AT#HSRECG =?

Test command returns the supported range of values of parameter

<level>.

3.5.7.1.62 Audio Profile Factory Configuration - #PRST

#PRST - Audio Profile Factory Configuration

SELINT 2

AT#PRST

Execution command resets the actual audio parameters in the NVM of the
device to the default set. It is not allowed if active audio profile is 0.
The audio parameters to reset are:

-

microphone line gain

-

earpiece line gain

-

side tone gain

-

LMS adaptation speed (step size)

-

LMS filter length (number of coefficients)

-

speaker to micro signal power relation

-

noise reduction max attenuation

-

noise reduction weighting factor (band 300-500Hz)

-

noise reduction weighting factor (band 500-4000Hz)

-

AGC Additional attenuation

- AGC

minimal

attenuation

- AGC

maximal

attenuation

AT#PRST=?

Test command returns the OK result code.

Example

AT#PRST
OK
Current audio profile is reset

3.5.7.1.63 Audio Profile Configuration Save - #PSAV

#PSAV - Audio Profile Configuration Save

SELINT 2

AT#PSAV

Execution command saves the actual audio parameters in the NVM of the
device.
It is not allowed if active audio profile is 0.

The audio parameters to store are:

-

microphone line gain

-

earpiece line gain

-

side tone gain

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