Siemens TC63 Manual Do Utilizador
TC63 AT Command Set
18.11 AT^SNFI
s
TC63_ATC_V00.490
Page 422 of 501
5/24/05
Confidential / Draft - Do not copy
18.11
AT^SNFI Set microphone path parameters
controls the microphone path amplification. Read and write options of this command refer to the active
audio mode. The write command works only in audio modes 2 to 6.
Syntax
Parameter Description
ADC gain adjustable in eight 6 dB steps from 0 dB to 42 dB (0=0dB, 7=42dB, 8 steps of 6 dB).
0...7
0...7
Multiplication factor for input samples. Formula to calculate the negative gain (attenuation) of the input signal:
Gain in dB = 20 * log (inCalibrate / 32768)
0...32767
0...32767
Notes
is up to 65535 but will be suppressed to 32767. Values above
= 65535 will cause a failure.
• The parameter
is identical with
• Attention! 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!
Test Command
AT^SNFI=?
Response(s)
^SNFI:
(list of supported
s) , (list of supported
s)
OK
Read Command
AT^SNFI?
Response(s)
OK
Write Command
Response(s)
OK
Reference(s)
PIN
ASC0 ASC1 USB MUX1 MUX2 MUX3 Charge
4
Last
SIEMENS
!
%
%
%
%
%
%
!
%
!
<inBbcGain>
(num)(^SNFW)
<inCalibrate>
(num)(^SNFW)