C
ONFIGURATION
C
OMMAND
S
ET
- F
IRMWARE
R
EVISION
2.4.0_
BETA
-
V
ERSION
1.0.0
3.2.20.9 GSM.PROFILE.AUDIO<prof_index>
Parameter syntax
GSM.PROFILE.AUDIO<
audio_mode>,<n_gain>,<volume_step>,<sidetone>,<micro
This parameter adjusts a specified profile for loudspeaker volume level and
microphone sidetone.
<
prof_index
>
It determines the index of an audio profile. It can be set to a value from
0
to
4
.
By default, each time the MAMBOII is powered up it loads the index
1
for
external headset. To use another audio profile index after restart, you have to
change the profile index on the parameter.
<
audio_mode>
This value sets the audio mode for internal speaker and external connected
headset. Each audio mode can be assigned to a specific interface. The
following values can be set:
Value
Meaning
1
Audio mode 2: Customer specific mode for the internal
speaker.
2
Audio mode 3: Customer specific mode for the internal
speaker.
<n_gain>
It can be set to a value from
0
to
3
. It specifies the gain adjustable in four 6 dB
steps from
0
dB to
-18
dB (
0
=0 dB,
3
=-18 dB).
<volume_step>
It specifies the loudspeaker volume level. The value can be set to a value from
0
..
14.
<sidetone>
It specifies how much of the original microphone signal will be added to the
earpiece signal. The sidetone gain is in dB and the range of value can be set to
a value from
0
to
32767
.
<micro_gain>
It can be set to a value from
0
..
7
. It specifies the gain adjustable in eight 6 dB
steps from
0
dB to
42
dB (
0
=0 dB,
7
=42 dB).
<micro_attenuation
>
It specifies the negative gain (attenuation) of the input signal on the
microphone. The range of value can be set to a value from
0
to
32767
.
How to set/get GSM configuration:
Set configuration
$PFAL,Cnf.Set,GSM.PROFILE.AUDIO1=1,3,16000,0,5,28000
Get configuration
$PFAL,Cnf.Get,GSM.PROFILE.AUDIO1
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