Siemens MC35 Benutzerhandbuch
AT Command Set
MC35_ATC_01_V05.00
Page 208 of 256
15.07.2002
8.22 AT^SNFM Mute microphone
Test command
AT^SNFM=?
Response
^SNFM:
(list of supported <mute>s) OK
Parameter
See write command
Read command
AT^SNFM?
Response
^SNFM: <mute> OK
Parameter
See write command
Write command
AT^SNFM=<mute>
Response
TA switches on/off the microphone
OK
OK
Parameter
<mute> 0 Mute
microphone
1 Microphone on
Reference
Siemens
Note
This command can be used in all audio modes (1 to 6) and during a
voice call only.
Users should be aware that when they switch back and forth between dif-
ferent audio modes (for example handsfree on/off) the value of <mute>
does not change. This means that the status of mute operaton is retained
until explicitly changed.
As alternative, you can use the AT+CMUT command described in Chap-
ter 4.27
voice call only.
Users should be aware that when they switch back and forth between dif-
ferent audio modes (for example handsfree on/off) the value of <mute>
does not change. This means that the status of mute operaton is retained
until explicitly changed.
As alternative, you can use the AT+CMUT command described in Chap-
ter 4.27
8.23 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 8.28.
described in the Chapters 8.19 to 8.28.
A
D
A
D
-
¥...0dB
speechcoder
(0dB; -6db,
-12dB; -18dB)
-12dB; -18dB)
+0..42dB in
6dB-steps
6dB-steps
1k
1k
1k
1k
2,65V
10uF
6,8R
6,8R
+
sideTone
AT parameters
outCalibrate[n]
n = 0...4
inCalibrate
inBbcGain
outBbcGain
speechdecoder
Figure 1: AT audio programming model