Siemens TC35 Terminal Especificaciones descargar pdf (Pagina 165)

AT Command Set

TC3X_ATC_01_V04.00 Page 165 of 204 29.05.2002

6.24 AT^SNFO Set audio output (= loudspeaker path) parameter

Test command

AT^SNFO=?

Response

^SNFO: (list of supported <outBbc Gain>), (list of supported

<outCalibrate[0...4] >), (list of supported <outStep>), (list of supported

<sideTone>s)

Parameter

See write command

Read command

AT^SNFO?

Response

^SNFO: <outBbcGain>, <outCalibrate[0]>,...<outCalibrate[4]>, <outStep>,

Parameter

See write command

Write command

AT^SNFO=<out-

BbcGain>,<out-

Calibrate[0]>,...<out

Calibrate[4]>,<out-

Step>,<sideTone>

Set TA’s loudspeaker path parameters.

Response

Parameters

<outBbcGain> Setting of DAC gain amplifier attenuation 0 – 3 (0=0 dB,

3=-18 dB, 4 steps of 6 dB)

<outCalibrate[0]> ... <outCalibrate[4]>

Multiplication factor 0 – 32767 for output samples

Attenuation = 20 * log (outCalibrate[n]/32767)

<outStep> Setting of actual volume; 0 – 4, i.e. outCalibrate[n]

<sideTone> 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

· The read and write commands refer to the active audio mode.

· The write command works only in audio modes 2 to 6.

· The range of <outCalibrate> is up to 65535, but will be suppressed to

32767. A value above <outCalibrate> = 65535 will cause an error.

· <outStep> can also be selected with AT^SNFV (see Chapter 6.27 and

AT+CLVL (see Chapter 4.21).

· Any change to <outStep> takes effect in audio modes 2 to 6. That is, when

you change <outStep> and then select another mode with AT^SNFS, the

same value will be applied. The only exception is audio mode 1 which is

fixed to <outStep>=4.

· The value of <outStep> is stored non-volatile when the ME is powered

down with AT^SMSO or reset with AT+CFUN=1,1. Any other values

changed with AT^SNFO need to be saved with AT^SNFW for use after

restart.

· CAUTION! When you adjust audio parameters avoid exceeding the

maximum allowed level. Bear in mind that exposure to excessive levels of

noise can cause physical damage to users!

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