62 audio profile factory configuration - #prst, 63 audio profile configuration save - #psav – Rainbow Electronics GM862-QUAD-PY User Manual
Page 295

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
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:
AT#HSRECG =?
Test command returns the supported range of values of parameter
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