Siemens AT Command Set Cellular Engines Wireless Modules MC35 ユーザーズマニュアル

AT Command Set

MC35_ATC_01_V04.00

Page 197 of 238

02.04.2002

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

Parameter

<mute> 0 Mute microphone

1 Microphone on

Reference

Siemens

Note

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

8.23 Audio programming model

The following figure illustrates how the signal path can be adjusted with the AT command parameters
described in the Chapters 0 to 8.27

∞...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