beautypg.com

Siemens MC35 User Manual

Page 189

background image

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 ), (list of supported brate[0...4] >), (list of supported ), (list of supported s)
OK

Parameter

See write command

Read command

AT^SNFO?

Response

^SNFO: , ,..., ,

OK

Parameter

See write command

Write command

AT^SNFO=BbcGain>,brate[0]>,...brate[4]>,Step>,

Set TA's loudspeaker path parameters.

Response

> <outCalibrate[0]>...<outCalibrate[4]> <(outStep)> <sideTone>
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

can be changed also by ^SNFV.

• The range of is up to 65535 but will be suppressed to

32767. A value above = 65535 will cause a error

• Changed values will not be stored automatically, but via the AT command

AT^SNFW except . The parameter will be saved after
AT^SMSO only.

• The volume level as well as mute affects all audio modes.

• In case of audio mode 1 the parameter has no effect.

• 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!