At^snfm mute microphone, Audio programming model, 21 at^snfm mute microphone – Siemens MC35 User Manual

Page 188: 22 audio programming model, At command set

AT Command Set

MC35_ATC_01_V03.02

Page 188 of 228

13.03.2002

8.21 AT^SNFM Mute microphone

Test command

AT^SNFM=?

Response

^SNFM:

(list of supported s) OK

Parameter

See write command

Read command

AT^SNFM?

Response

^SNFM: OK

Parameter

See write command

Write command

AT^SNFM=

Response

TA switches on/off the microphone
OK

Parameter

0 Mute microphone

1 Microphone on

Reference

Siemens

Note

This command can be used in all audio modes and during a voice call
only.

8.22 Audio programming model

The following figure illustrates how the signal path can be adjusted with the AT command parameters
described in the Chapters 8.19 to 8.26

∞...0dB

speechcoder

(0dB; -6db,
-12dB; -18dB)

+0..42dB in
6dB-steps

2,65V

10uF

6,8R

sideTone

AT parameters

outCalibrate[n]

n = 0...4

inCalibrate

inBbcGain

outBbcGain

speechdecoder

Figure 1: AT audio programming model