Siemens MC35 User Manual
Page 189
AT Command Set
MC35_ATC_01_V03.02
Page 189 of 228
13.03.2002
8.23 AT^SNFO Set audio output (= loudspeaker path) parameter
Test command
AT^SNFO=?
Response
^SNFO: (list of supported
OK
Parameter
See write command
Read command
AT^SNFO?
Response
^SNFO:
OK
Parameter
See write command
Write command
AT^SNFO=
Set TA's loudspeaker path parameters.
Response
OK
Parameters
Setting for DAC gain amplifier attenuation 0 – 3 (0=0 dB,
3=-18 dB, 4 steps of 6 dB)
Multiplication factor 0 – 32767 for output samples
Attenuation = 20 * log (outCalibrate[n]/32767)
Setting of actual volume; 0 – 4, i.e. outCalibrate[n]
Multiplication factor 0 – 32767 determining how much of
the original microphone signal is added to the earpiece
signal.
Side Tone Gain/dB = 20 * log (sideTone/32767)
Reference
Siemens
Note
• Write command works only in audio modes 2 to 6!
• Read and write options of this command refer to the active audio mode.
• The
values
• The range of
32767. A value above
• Changed values will not be stored automatically, but via the AT command
AT^SNFW except
AT^SMSO only.
• The volume level as well as mute affects all audio modes.
• In case of audio mode 1 the parameter
• CAUTION! When you adjust audio parameters avoid exceeding the maxi-
mum allowed level. Bear in mind that exposure to excessive levels of noise
can cause physical damage to users!